ATITOWEL Aquarium Filter Intake Foam for HOB Filter50 Gal Aquaclear Sponge Filter Fish Tank Pack of 4

Compatible with Aquaclear Filter intake and Fits the intake of most any HOB filter50 Gal Compatible with Aqueon Quietflow 50 5575 and 75 units Compatible with Fluval C3 C4 Easy to use sponge cover directly onto the water inlet of your filter Traps particles and debris prevents small and baby inhabitants from being drawn into filter Provides efficient water flow with less clogging Approx Size 354 x 197 inch H x W Inner hole diameter 087 inch.