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Size 3 Filter Bags

On this page you will be able to find a variety of size 3 filter bags. These filter bags measure at the industry standard 4” x 8.25” (10.16 cm x 20.96 cm) and are offered in four different brands. The filter bag system works uniquely well in commercial, industrial, and agricultural settings due to its ability to filter large amounts of debris while also maintaining a cohesive water flow. However, correctly identifying the filter bag size that your appliance needs will determine if the filtration system is able to work at its full capacity.

Browse our inventory below or complete our easy-to-use Quote Request to get immediate pricing!



1 Micron Sentinel Filter bag by Eaton


  •    Material: Polypropylene
  •    Bag Sizes: 02
  •    Primary Use: All Industrial
  •    Features: Welded Construction
  •    Eaton SENTINEL Product Page



Snap Ring 1 Micron Filter bag - Eaton


  •    Material: Polypropylene, Polyester, Nylon, Teflon
  •    Bag Sizes: 01, 02, 03, 04
  •    Primary Use: All Industrial
  •    Features: Silicone-Free, ISO 9001
  •    Eaton SNAP-RING Product Page




MicroSentry HTF Series

Shelco Filters MicroSentry HTF Series Filter Bags


  •    Material: Polypropylene, Polyester, Nylon
  •    Bag Sizes: 01, 02, 03, 04
  •    Primary Use: All Industrial
  •    Features: Sewn or Welded Construction
  •    Shelco MicroSentry HTF Series Spec Sheet



Request a Filtration Quote


At Commercial Filtration Supply, we are proud to offer our customers a variety of products by Eaton, Shelco, NeoLogic, and Hayward. Because we sell these filter bags by the box, we are able to offer our customers an extremely low price for these top notch products. These brands are well known for filtration satisfaction and these filter bags are no exception!

If your system vessel measurements match the size 3 bag dimensions listed above, you have found the size that best suits your application. Even though these filter bags are the same size there are different brands and materials offered for each filter bag. Having options to choose from allows you to be able to find the one that will work best for you, guaranteeing the best results possible. If you are still unsure of which one best suits your needs, please feel free to call one of our experienced filter specialists and they will help you find the perfect filter bag for your appliance.

Are you ready to place an order? Give us a call at (855) 236-0467 or complete our easy-to-use Quote Request. We will get your filter bags on their way to you as quick as possible!