Sunsun Canister Filter Spar Sponge

Sunsun Canister Filter Spar Sponge

• Has a good filtering function to make water clearer
• Supports to reduce the growth of bacteria’s
• In good quality with open pore and large surface area to promote bacteria break down if medicine is used
• Safe for fresh and Marine water
• This spare sponge will fit for HW-303 A, 303 B and HW-404A, 404B Canister  filter