Aquarium Co-op Pre Filter Sponge Large

Cover the intake of a hang-on-back (HOB) or canister filter with a pre-filter sponge to stop small fish - snails - and debris from clogging the filter motor.

Aquarium Co-Op Easy Flow Sponge Filter Ugrade Kit Review!

Replacement Sponge Hack for Aquarium Co-Op Sponge Filter - General Discussion - C.A.R.E.

Is this prefilter from aquarium coop shrimp safe. The baby shrimp can fit through the holes but seem uninterested to go deep inside it. The filter has very slow flow : r/shrimptank

This is a Pre Seeded Sponge filter large (or active sponge filter) This is the large size filter and is designed for moderately stocked tanks up to 55

Aquarium Co-Op Pre Seeded Sponge Filter Large

How to Slow the Flow in Your Aquarium DIY Filter Baffle Ideas – Aquarium Co-Op

ViaAqua 1 Pack X-Large Overflow Filter Box Intake Round Pre-Filter Foam Sponge 5.91 x 4.13 for Aquariums and Ponds (Coarse 25ppi)

ViaAqua 2 Pack X-Large Overflow Filter Box Intake Round Pre- Filter Foam Sponge 5.91 x 4.13 for Aquariums and Ponds (Coarse 25PPI) : Pet Supplies

Aquarium Co-Op Coarse Sponge Filters - 810055291014

Use in: Hydroponic systems, ponds, aquariums, fish tanks, and reservoir. Intake hole: 1.10 inch (approx.). Diameter: 4.13 inch (approx.). Coarseness

ViaAqua 1 Pack X-Large Overflow Filter Box Intake Round Pre-Filter Foam Sponge 5.91 x 4.13 for Aquariums and Ponds (Coarse 25PPI)