ALEGI Media Filter Bag Aquarium Extra Fine,Reusable 180 Micron Drawstring Mesh Filter Bags for Very Fine Resins Filter (10"*3.9" (3 pack))

• Size: 10" * 3.9" ,180 micron fine mesh drawstring filter bags,suitable for Purigen 200ML-300ML or other fine filter media.
• Specially designed for extra-fine filter media and activated carbon.
• Seal the bag securely. Our customized drawstring bag is tightly sealed to prevent loose media from potentially damaging the pump or the filter media being inadvertently eaten by the fish and harming the fish.
• The sturdy construction and heavy-duty stitching make these fine filter media bags strong and durable, so they can be washed and reused many times.
• Food grade nylon mesh filter media bag, with no peculiar smell, are not affected by bleach, caustic or acid, and do not contain metal that may easily rust and pollute water, completely safe for fish.

Our fine mesh design is optimized to work with any type of chemical filter media, preventing resins from escaping into your pump. For very fine resins use our EXTRA FINE media Bag.