LTWHOME 8 Inch Inch Coarse Pond Filter Foam Cube Block Pump Pre Filter Sponge (Pack of 3)has an off centre hole cut out (3. 5" Diameter x 5. 5" deep) Coarse grade foam,Cuts Easy To Any Required Shape Package Include: 3PCS 8" Inch Coarse Pond Filter Foam Good for freshwater & marine environments Traps Particles & Debris Enhances biological filtration

Packing include: 6pcs bio sponge

Custom designed and manufactured for Hozelock all Ecopower+ and Ecomax Filters

Suggest to change the filter pads every 1 to 2 months

keeping efficient water flow with less clogging for long lasting filtration

Size Approx: 10

20 x micro pads

and dressings

Custom designed and manufactured for Beckett Pond G FR DP Pump

Custom designed and manufactured for All Pond Solutions FW Range Nano Fish Tanks-FW-14

Good for freshwater and saltwater environments

Size Approx: 8x5

Activated carbon sponges remove odors and keep water crystal clear