Prevents small animals and debris from entering filter: Protects filter motor and extends filter lifespan
Coarse foam construction: Extends time between cleanings for less frequent maintenance
Provides surface area for beneficial bacteria: Enhances water purification and water quality
Simple installation: Fits most hang-on-back, HOB, and canister filter intakes
Multiple size options: Ensures compatibility with various filter brands and intake sizes
Summarized by Shop
Prevents small animals and debris from getting sucked up
Increases filter capacity
Uses coarse foam to extend time between cleaning
The pre-filter or intake sponge is a simple foam cylinder that is designed to slip over the intake tube ofhang-on-back (HOB) and canister filters. The filter intake tube often has large openings, so use a
Material
Coarse foam
Available Sizes
Mini (0.5 in diameter x 1.5 in length), Medium (0.5 in diameter x 2.5 in length), Large (1.25 in diameter x 3.5 in length)
Pore Size
Approximately 25 ppi (mini/medium), 20-25 ppi (large)
Compatible Filter Types
Hang-on-back (HOB), canister, and external filters
Cleaning Instructions
Rinse at sink or use fish bag for debris removal
Summarized by Shop
4.9
118 ratings
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Always love a good filter sponge helps limit some of my filter stuff. All I have to do is pull off the pre-filter sponge and clean it up from time to time.
kevin · 14 days ago
Love the photo love that I’m able to just attach you to to the end of my filter and gets a lot of the majority of debris. I’ll have to do is clean it out.
kevin · 14 days ago
Work fantastic for my need and as i could not find anything else to fit my fx6 aftermarket intake this is amazing. Will for sure buy from here again.