Dimension: 5.91” x 3.35” (150mm x 85mm), the inside hole diameter is 1.18” (30mm); for a snug fit, check the size you need carefully before placing an order.
Lifesaver: Keeps baby fish / fry, shrimp, and snails from getting sucked into hob filters, power heads or canister filters by simply putting a pc of this pre-filter sponge over the intake.
Improve Filtration: Does a good job in catching flake fish foods, plants and any other large particles floating in the water keeping the tank cleaner and last longer between cleanings.
Maintenance: Rinse the sponge roll periodically based on the bio load of your aquarium tank. The material holds up well to being rinsed and reused and allows great water flow.
High Water Permeability: Premium-quality sponge foam with excellent water flow for optimal filtration in both freshwater and saltwater fish tanks.
Effective Filtration: Coarse pre-filter foam helps to trap large debris, providing better filtration and cleaner water for your aquarium.
Compatible with Major Brands: Ideal replacement for popular fish tank filters, ensuring a perfect fit for your aquarium system.