10Pcs Aquarium Filter Media Bags With Zipper For Activated Carbon, Biospheres, Ceramic Rings

Material: Polyester: Zipper Material: Plastic

Package contains: 5 white filter bags + 5 black filter bags

Filter bag size: 15cm20cm/5.9”7.8”

Mesh hole diameter: Approx. 1mm, suitable for respiratory biological rings, activated carbon, volcanic rocks, coral sands, ceramic rings, etc. Not applicable for finer particles.

Filter bags are good for various filters, including fresh water tanks, tank filters, power filters, etc.