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The Spectra S2 hospital grade breast pump has various features that can fulfill the needs of a mother who might be struggling with low milk supply and requires a powerful stimulation to increase or maintain milk supply. The features of the Spectra S2 breast pump can truly enhance the confidence level of a mother in boosting the stimulation while pumping with its biphasic expression mode with the inhalation vacuum expression strength of 320 mmHg. This is higher than the regular vacuum expression power of other available hospital grade pumps (250mmHg), which are mostly feasible to rent due to its high purchase price. This high vacuum expression assist in faster let-downs and easier expression of milk, mimicking a baby breastfeeding. Spectra S2 hospital grade breast pump have a closed system feature, which prevents backflow of milk by creating a physical barrier between the pump and the breast milk, making safety and hygiene the top most priority. Not only does is the Spectra S2 hospital grade pump have a maximum strength suction, but due to its incomparable low prices compared to other hospital grade pumps, it is definitely becoming one of the POPULAR and a MUST have breast pump, especially for mother’s who are struggling with low milk supply needing stronger stimulation. The flexibility of programming the speed and rhythm of the pumping cycle to individualized comfort is an additional positive feature in this pump. The Spectra S2 hospital grade breast pump also incorporates the option of “massage” mode, which mimics a short shallow mode to stimulate the letdown reflex, promoting the beginning of the milk flow process. Once the flow of milk has started, the mother can switch to “expression” mode mimicking the breastfed baby’s spontaneous rhythmic, deep and slow sucking pattern. This a great feature for mother’s with fewer or slower let-downs, allowing them to go back and forth between the two modes. The amount of suction can be changed to a comfortable level for both the massage mode/let-down phase and expression mode. One of the features of the Spectra S2 hospital grade breast pump that it is lightweight. This pump is only 4 lbs. Its quiet pumping noise and night light button makes pumping at night so much more easier even next to your baby, causing little to no disturbance to other family members. Its digital display screen makes visualization more convenient to know your pump setting at an easy glance.   Features:

  • Back Flow Protection: prevents contamination of the pumped milk from bacteria, viruses and molds. This feature assist in keeping the tubing dry by preventing any airflow between the tubing and breast milk. There is no hassle to clean the narrow tubing, which makes hygiene and safety easy to maintain.
  • Individualizing your pump setting to your comfort: 2 phase pumping cycle with complete adjustable options to switch between let-down and expression mode. Thus, selecting the maximum comfortable suction setting that works best for your pumping experience in expressing the most breast milk in less time.
  • Portable: lightweight of only 4 lbs, and it is powered with an AC adapter.

Material type:  BPA free, made of environmentally friendly material like PP (polypropylene) and LSR (liquid silicone), promoting safely sterilizing parts via boiling in water.   Contains:

  • Spectra S2 hospital grade breast pump motor unit
  • Double breast pumping and collection system including
  • 2, 25.0 mm breast flanges, 2 milk collection bottles with universal thread. Locking rings and discs, 2 valves, 2 tubing, 2 Bottle Holders, and an AC Power Adapter.

What’s on the market
There are several types of breast pumps available–large, hospital-grade pumps, midweight personal-use automatic pumps, small, lightweight, easily portable electric, battery-operated, or manual models that work one breast at a time, and hands-free pumps that strap around your waist, so that you can multitask instead of simply sitting through another pumping session. You’ll want a pump that’s appropriate to your particular situation. Pumping can be time-consuming and just one more thing to do, but it shouldn’t be painful or frustrating. Choosing the right pump can make the difference in breast-feeding success. A natural sucking rhythm is 40 to 60 cycles per minute (one pull per second or a little less). Hospital-grade and personal-use automatic pumps typically operate at 30 to 50 cycles per minute. Other pumps are usually less efficient. As a general rule, the more suction and releases per minute a pump provides, the better it will be at stimulating your milk supply. Consider this: Breast milk naturally changes during each feeding in conjunction with your partner’s swallowing technique and suction. In the beginning of a breast-feeding session, breast milk is thin and watery. In the middle, it gets fattier, becoming whole milk. Toward the end, it’s even creamier, Labbok said. The fat is healthful; it contributes to satiety, among other benefits. Ideally, you’ll want a pump that mimics your partner’s natural sucking action. Efficiency is important if you plan to save a large quantity of milk.

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Once you find the right pump, you’ll need to learn how to position it correctly and adjust the suctioning to get the best results. Don’t worry–with the right pump, you’ll soon get the hang of it. Pumps require some assembling and disassembling for cleaning. Use the dishwasher or hot soapy water to clean any parts of the pump that touch your breasts or the milk containers. Drain them dry before each use.


Consider renting a hospital-grade breast pump if you’re not sure how long you’ll need to use a pump or if you know you’ll need to pump for only a short time.If you expect to use a breast pump regularly, buy a top-quality midweight, personal-use, automatic model at the best price you can find. This caliber of pump will help you to get a significant volume of milk in a given time and will be your best bet for maintaining your milk supply. If you plan to use a breast pump only occasionally, a manual pump or a small electric or battery-operated one will probably be all you need.


Because using a breast pump can be tricky, most manufacturers now supply informational brochures with their units. You also can call manufacturers’ customer-service lines if you encounter problems with a specific pump. Your pump may have a warranty that allows repair or replacement. Check the terms before you buy because they vary. Keep your receipt or the printout from your baby registry as proof of purchase.

Breast pumps come in these basic types: large, hospital-grade, dual-action, which typically aren’t available for sale (you rent them from the hospital where you deliver or from a lactation or rental center); midweight, personal-use, automatic models that are comparable to hospital-grade pumps and can travel with you; small electric or battery-operated units that double- or single-pump, and one-handed manual pumps. There’s even a “hands free” pump that you can strap around your waist that operates while you work or relax. Here’s the lowdown on each.
Hospital-grade breast pumps
These electric powerhouses are about the size of a car battery and can weigh 5 to 11 pounds. Manufactured for users in hospitals and for those who choose to rent, they have sensitive controls that allow you to regulate suction rhythm, intensity, and pressure. Some have a pumping action that’s almost identical to your partner’s natural sucking, which can help to build and maintain your milk supply. A hospital-grade pump can cut pumping sessions in half–to just 15 minutes with a dual pump, which empties both breasts at once. These are expensive to buy, but you can rent them from hospitals, medical-supply stores, lactation consultants, drugstores, and specialty retail stores. Choose this option if nursing is difficult because your baby has trouble latching on, if you’re not sure how much you’ll need a breast pump but you want one on hand just in case, if you plan to pump for three months or less from home, or if you must dramatically increase your milk supply and need the power of a hospital-grade pump.

They’re fast and efficient. Many are also light, comparable to a midweight, personal-use automatic pump.

Even though some come with a rechargeable battery and an adapter for use in a vehicle, many don’t come with a discreet carrying case. You wouldn’t want to lug one to and from work every day because it can be awkward and heavy.

Midweight, personal-use, automatic breast pumps
Usually no bigger than a briefcase and weighing around 8 pounds or less, these electric breast pumps typically are lighter and slightly less efficient than the hospital-grade models. Like a hospital-grade pump, a personal-use automatic can slash pumping time because it has a powerful motor and serious suction. Many personal-use automatic pumps have suction that mimics a baby’s natural sucking, which typically begins with rapid, high-frequency suction and changes to a slower, suck/swallow pattern. This mimicking fosters faster milk flow, although some pumps use a constant vacuum, with self-adjusting suction settings. Intermittent action better imitates a baby than a constant vacuum–and it’s probably easier on you, too.
Many models come housed in a black microfiber shoulder (a.k.a. “Metro”) bag or backpack, which is ideal if you’re working outside your home. They’re often equipped with an adapter for your car’s cigarette lighter or a battery pack for times when you’re not near an electrical outlet. They may come with all necessary attachments, including removable cooler carrier and cooling element, battery pack, AC adapter, and collection containers, lids, and stands.

Small electric or battery-operated units
Using widely available AA or C batteries or household current, these lightweight, compact devices can fit discreetly into your purse or briefcase. They’re relatively quiet, but the suction can be sluggish, although the vacuum on some models can be regulated for maximum comfort. Others, though, have a constant vacuum that can cause nipple discomfort. Choose this option if you need to pump only occasionally because you’ll be away from your baby now and then–for a night out or for a couple of hours during the day.

They are relatively inexpensive and portable. With the battery pack, you can pump anywhere, anytime.

If you want to use this pump frequently, you may find that pumping takes too long. Consider one of these for occasional use only.

Manual breast pumps
With these small pumps, you produce the suction yourself by squeezing a bulb or lever or by manipulating a syringe-style cylinder. There are many designs of manual pumps on the market. Cylinder, or piston-style, pumps usually allow you to control pressure and minimize discomfort. Some manual models can be operated with one hand. They’re easier to use than those requiring one hand to hold, one to pump. Choose this option if you’re a stay-at-home or work-from-home mom and you need to miss only a rare feeding because of a night out; if you’re traveling, or you have plugged milk ducts or sore nipples. A manual pump is also ideal for pumping on the go, in places where electricity may not be available. Look for one with an ergonomic handle, not a bulb, though any small pump could tire your hand and arm and cause repetitive strain injuries if you use it frequently.

They’re less expensive than electric models and don’t need an electrical source or batteries, and often are compact enough to fit in a tote or purse.

Manual pumps often are markedly slower than other pumps. We recommend these only for occasional use, such as when you’re traveling.

Hands-free pumps
Choose this option if your schedule is hectic and you like the idea of being able to do something else while pumping. One such model, Medela’s Freestyle, is a rechargeable, double electric pump. The breast shields attach to a nursing bra, the hands-free kit attaches to the top clasps of most nursing bras. (We haven’t tested this product.) Note: Many regular breast pumps can be made hands-free with a special pumping bra.

You don’t have to drop everything you’re doing. Because your hands are free, you can pump while you’re reading, working, e-mailing, talking on the phone, or even holding your baby.

Setup can be complicated. To curtail frustration, don’t attempt to assemble when you’re sleep deprived or otherwise not at your sharpest. With this or any pump, get assistance from a friend or relative who is an experienced pump user, or from a lactation consultant. Be sure you have the right-size breast shields; using shields that are too small can cause breast soreness. Pump makers may offer a variety of sizes. In general, if it’s painful to pump, you should stop and see a lactation consultant who can assess why, said one lactation expert.

Suction settings arrow | Warranty arrow | Adapter/batteries arrow | Double-pumping arrow | Carrying case arrow | Insulated storage compartments arrow | Pump weight arrow | LCD display and memory indicator arrow

When considering the features of a breast pump, think about how and where you’ll be using it. If you need one for the office, you’ll want something compact and quiet. But if you’re pumping in the privacy of you own home, there are other breast pump features to consider.
Suction settings
The best pumps mimic a baby’s natural nursing rhythm by automatically pumping in two distinct modes: rapid, to simulate a baby’s rapid sucking to begin fast milk flow, and slower, to simulate a baby’s deeper sucking to produce the most milk flow. Together, the two phases offer a more-authentic breast-feeding experience with greater comfort, increased milk flow, and quicker pumping time. “Closer to nature” brands/models on the market may purport to pump more like a baby. Others allow you to automate the pumping rhythm, speed, and suction at the touch of a button instead of relying on preset controls.

If you’ll be using your personal-use breast pump every day, look for a pump that has at least a one-year warranty on the motor. A generous warranty typically is a sign of quality and durability.

If you’re pumping on the road or you don’t have access to an electrical outlet (for example, you don’t have a pumping room at work and you’re relegated to a restroom stall), look for a pump that can run on batteries or that includes an adapter that can attach to your car’s cigarette lighter. But even if you have a Freestyle hands-free model, we don’t recommend pumping while driving because it can be distracting.

If you’ll be pumping at work or pumping often, get a double hospital-grade or midweight, personal-use, automatic pump. By expressing both breasts at once, you can complete a pumping session in 10 to 15 minutes. Besides being fast, double pumps are better for milk production. Double-pumping increases levels of prolactin, the hormone responsible for milk production. Smaller pumps or a single pump may not be able to maintain your milk supply long-term and can quickly become frustrating to use.

Carrying case
If you’ll be commuting or traveling, a professional-looking pump “briefcase,” sporty backpack, or “Metro” shoulder bag is the way to go. Most models, other than the hospital-grade ones, come in a chic, black microfiber case with a shoulder strap. Some models, such as Medela’s Pump in Style Advanced, also feature a removable cooling compartment and pump motor, so you can lighten your load by leaving a section at work.

Insulated storage compartments
Look for compartments in the pump’s carrying case if you’ll be pumping on the go and need to store your milk for later. But be sure to keep an ice pack or two with your breast milk in the storage compartment.

Pump weight
Even a 5-pound breast pump can seem heavy after a while if you have to carry it back and forth to work every day along with a briefcase, a purse, and maybe a diaper bag, if you’ll be dropping off your child at day care. If you’ve got a lot to lug and you’ll be traveling frequently with your breast pump, get the lightest pump possible within the range of pump you need to buy.

LCD display and memory indicator
Some breast pumps offer an LCD panel and programmable memory that allow you to record your preferred pumping pattern, so you don’t have to reset the pump each time you use it.

Shopping tips
Do your research. Like a toothbrush or lipstick, breast pumps are personal-use items. For hygienic reasons, some manufacturers don’t allow returns once the product is opened, unless it’s defective. So be as sure as you can be about this purchase before buying.

Consider renting
To save money (midweight, personal-use automatic pumps can retail for as much as $380), think about renting a pump, which will typically cost about $55 per month, plus, in some cases, a security deposit. But if you plan to breast-feed longer than three or four months, buying is the way to go. Check with your rental vendor. Many offer a price break the longer you rent. For referrals to lactation consultants who can advise you on the type of pump you need and where to rent it, contact the International Lactation Consultant Association (ILCA, The hospital where you delivered your baby may have a lactation consultant on staff. Medela, a leading breast-pump manufacturer, also allows you to search by ZIP code or city and state on its website ( for retailers that rent breast pumps in your area and local breast-feeding specialists.

Shop around
You can find deals on new breast pumps online, and at hospital birthing centers. You also can consult a La Leche League leader ( or an ILCA-certified lactation consultant in your area. A little research reveals that there are deals to be had in the online breast-pump marketplace once you know what kind of pump you want. (Not sure where to start? Simply type “breast pump” into a search engine like Google.) A good site for breast-pump deals is The site allows you to compare prices, warranties, suction settings, cycle speeds, and other features of competing-brand breast pumps. The site also has a price match guarantee. If you find the same product on another website at a lower price, they’ll match that price.

Breast-pump safety
Washing breast pumps
We ran across this misguided advice on a popular breast-pumping message board: You don’t have to wash a breast pump between sessions. Not having to wash or rinse breast-pump equipment (bottles and shields) during the business day saves time and potentially embarrassing run-ins in the office kitchen or bathroom. Human milk is very effective at killing bacteria for about 12 hours after it leaves the breast, according to one lctation expert, but we don’t know what the effect is if it starts drying or is exposed to large amounts of pathogens. If you don’t have time to wash breast-pump parts between sessions, place them unwashed in a clean plastic bag, such as a zip-top bag, and store them in the refrigerator. But be sure to wash them thoroughly at least once a day.

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