for just $7.99 with Free shipping.
Specifically designed for the Fluval® EDGE power filter, this pre-filter foam sponge effectively collects fine debris and keeps your aquarium clean. Installs easily over the filter intake, the pre-filter sponge also prevents small or baby fish from being drawn into the filter. Keeps small snails and even snail eggs out of your filters.
This is a must have for all shrimp tank owners and anyone else who has baby or small fish in their tank.
Installs in seconds and lasts for months or even a year depending on contents and load factor of your tank.
Aids in biological filtration. Traps debris and prolongs the life of your filter media.
Can be use in the vertical or horizontal position.
Easy to clean. Just rinse and squeeze.
Approximate Dimensions for you DIY people:
Inside hole diameter 1/2”
Depth of hole 1 3/4”
Sponge width 1 1/2”
Sponge height 2 3/4”
I have used these on Tetra PF-30 filters and Aqua clear 30 filters. I'm sure they are adaptable to a lot of small HOB filters.