ALEGI Media Filter Bag Aquarium Extra Fine,Reusable 180 Micron Drawstring Mesh Filter Bags for Very Fine Resins Filter (10"*3.9" (6 Pack))

• Size: 10" * 3.9" ,180 micron fine mesh drawstring filter bags,suitable for 200ML-300ML fine filter media.
• Specially designed for extra fine filter media and Activated Carbon.
• Secure bag closure, Our custom drawstring bags close tight to prevent loose media from potentially causing damage to your water pump. Not contain metal which may easily get rust and pollute your water.
• Solid construction and heavy duty stitching make these fine filter media bags strong and durable so they can be lceaned and reused numerous times.
• High quality 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.