DRAWSTRING MESH MEDIA BAGS (4 pack) are Optimal for Activated Carbon (Carbon Sold Separately)! They are made to hold a variety of small-grained filter media such as the Aquatic Experts Classic Activated Carbon, also called bituminous charcoal, along with many different ion exchange resins.  Also works great with pelletized Carbon for ponds, or in your fish tank filter system. Since these bags are inexpensive, you can customize your filtration by adding separate bags of your favorite assortments of filter media to your canister filters, power filters, sumps, wet/dry filters and pond filters.

The DRAWSTRING TIGHTLY CLOSES the bag and will easily keep the small media particles inside the bag without the risk of leaks. The DURABLE DRAWSTRING DESIGN allows the bag to be used multiple times; simply empty the filter media from the bag and rinse.

This UNIVERSAL MEDIA BAG is ideal for use in any canister filter system, along with a variety of other fish aquarium filtration systems. This NYLON POUCH should be placed so as to maximize the flow of water through the bag. Position the MESH FILTER BAG in high flow areas such as underneath drain lines, in filters and sumps. Our MESH MEDIA BAGS are made to hold a variety of small-grained filter media and ion exchange resins. Will not work for very fine resins such as Purigen and CupriSorb.  Works in both freshwater and saltwater aquariums, as well as Koi Ponds.  Keep your aquatic friends in your tanks happy!

• UNIVERSAL FILTER MEDIA BAG - Optimal for Activated Carbon (Carbon Sold Separately)! Aquarium mesh filter media bag is ideal for small filter media, such as our Aquatic Experts Classic Activated Carbon. Works with pelletized carbon, zeolite, peat, crushed coral, barley pellets, ammonia, nitrate, phosphate, and silicate removers and other types of granulated filter media. Will NOT work for very fine resins such as Purigen and CupriSorb, for these use our Extra Fine Mesh Media Drawstring Bags.
• SAVE MONEY - Our 4 pack of 500 micron high-flow mesh media bags fit perfectly in a variety of filters including canister filters, power filters, sumps, wet/dry filters and pond filters for your tanks. Just fill our economical bag with your favorite filter media. You will receive four 3 inch by 8 inch mesh bags. Also, available in 8 inch by 12 inch bag.
• DURABLE AND REUSABLE - These unique mesh filter bags are easy to fill and empty with top drawstring design to keep filter media secure. Our bags are durable, washable, and can be reused.
• OPTIMAL AND CUSTOMIZABLE - Place our high-flow drawstring mesh bags filled with your choice of media in flowing water. The mesh bags optimal hole size allows water to freely flow around and throughout the media. If you require a bag filled with media to be shorter; partially fill the bag, fold over, empty part and tie off.
• SECURE BAG CLOSURE: Our bags close tight to prevent loose media from potentially causing damage to your water pump or power filter's motor. The bag is 100% nylon and completely safe for both fresh and saltwater aquariums.