PolyScience 300 Series Chamber Vacuum Sealer Review

Innovative design and superior quality is what the PolyScience 300 Series Chamber Vacuum Sealer has to offer. There are many ways in which food storage can be accomplished and using the PolyScience 300 Chamber Style Vacuum Sealer is one of the more effective ways to get the job done. Whether you’re packing food in jars or bags, storing food in the pantry, freezer, or refrigerator, you’ll have no problem with doing so while keeping items fresher, longer. At the same time, foods will retain flavor, nutrients, and color, therefore, preserving the overall quality.

Just because you have a busy schedule doesn’t mean you shouldn’t have well planned meals. Vacuum sealing allows you to do meal planning weeks or even months in advance. This can be very beneficial when planning large dinners. Additionally, having meals already planned makes developing and maintaining healthy eating habits, simple.

Getting The Most Use Out Of the PolyScience 300 Sealer

Consider the holiday season. Holiday meal planning can bring on unwanted stress when there’s no plan in place. Typically, holiday meal planning involves the anticipation of expected as well as unexpected visitors. Using a vacuum sealer can help you prepare for unexpected visitors, plan meals in advance to eliminate last minute worries, and decrease the amount of time spent in the kitchen.

Accommodating unexpected guest won’t be a problem. Simply cook extra, pack up the leftovers, and store them in the freezer, without a bit of food going to waste. A month or two down the line, you’ll be glad you did. Additionally, with the PolyScience  Sealer, you can even seal soups and stews with no problem!

Chamber style vacuum sealers and external vacuum sealers offer many of the same benefits. However, certain vacuum sealing task can be done with a chamber style vacuum sealer, that cannot be done with an external vacuum sealer. One of the main differences between chamber and external vacuum sealers is with a chamber vacuum sealer, wet foods can be sealed. Also, chamber style vacuum sealers are generally more durable, which is why chamber vacuum sealers cost more when compared to the cost of external vacuum sealers.

This PolyScience Vacuum Sealer is priced on the higher end. It may be best suited for users who are familiar with vacuum sealing and can appreciate its useful features. Individuals who store foods with high contents of liquids and Sous Vide cooks, would certainly benefit from this chamber vacuum sealer. For new vacuum sealer users, the unit may be a bit intimating. But, if you are looking for a durable, versatile vacuum sealer, that will last for years to come, this unit is worth considering. Overall, this unitseems easy to operate, but the user’s guide should be read before initial use as with any other appliance.

More On The PolyScience 300 Series Vacuum Sealer

The PolyScience 300 Series Vacuum Sealer is housed in a stainless steel case, which contributes to its durability. It is quite heavy, but can be stored away until ready for use if you have a place in which it may fit with ease. Otherwise, the unit can stay on the counter-top, if the extra space is available.

Highlighted Features

Chamber Technology 

Chamber technology allows for the sealing of dry, moist and wet foods. Unlike external vacuum sealers, which vacuum bags on the outside of the unit and pulls out both air and liquids during the vacuuming process, chamber vacuum sealers work in a different way. With chamber vacuum sealers, pouches are placed inside the chamber, the chamber pulls air from both the pouch and the chamber, leaving liquids in place.

Control Panel

Has a digital display that allows the user to adjust and keep track of vacuuming and sealing times.

Dry Piston Pump

Low maintenance unit features a dry pump which does not require oil

Additional Features

Marinate Cycle

Quickly marinade foods. Runs multiple cycles of vacuuming, holding and releasing for optimum flavor to be obtained. Tastier foods can be obtained in minutes rather than hours.

Preset Buttons

Use the presets to program your most used settings. Vacuum hold times can be set for different food types.

External Vacuum Port

Use when sealing bags and canisters.

Large Chamber

Capable of holding larger size pouches

Included Accessories:

  • 6 – 1 pint vacuum sealer bags
  • 6 – 1 quart vacuum sealer bags
  • 6 – 1 gallon vacuum sealer bags
Optional Accessories

Benefits of Using the PolyScience Vacuum Sealer

  • Can be used to seal liquids. Great for Sous Vide!
  • Quickly marinade foods
  • Food prepping in advance
  • Capable of keeping foods fresher for longer periods of time
  • Cut down on food spoilage
  • Save time and Money

Pros and Cons

Vaccum packing foods at home with the PolyScience 300 unit would save you time and money. This Vacuum Sealer only has one review at the time in which this review is being written.The unit has a 4 star rating. Check back for updates.


  • Bags are less expensive
  • Quite Operations
  • Presets allow for one button operating
  • Built to last
  • Attractive design

This PolyScience vacuum sealer may take a little getting use to if you have never used a chamber vacuum sealer. However, once you customize your settings, they are set until you change them. There’s nothing negative to report at this time.


18.5 x 14 x 14.5″ / 47 x 35.6 x 36.8 cm


Stainless Steel

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