Waterbox 4" Filter Sock 225 Micron Felt

• Superior quality aquarium filter sock

• Keep your water crystal clear

• Effective at collecting detritus in the water column

• Eco-friendly design allows for socks to be cleaned and reused

• Available in different Micron density for specific purposes

Diameter : 4"(105mm) | Length 10" (260mm)

Fits

• AIO 35.2, 50.3, 65.4

• Marine X 60.2, 90.3, 110.4

• Pro Reef 70.2, 100.3, 130.4