The Aquatop RCP-CF300 Replacement Coarse Filter Sponge is designed specifically for the CF-300 and CF-300 MKII Canister Filters. This blue coarse sponge pad provides effective mechanical filtration by capturing larger debris and particles, helping to extend the life of finer filter media and maintain optimal water quality.

Why You’ll Love It:

• Compatible with CF-300 and CF-300 MKII canister filters

• Blue coarse sponge pad for mechanical filtration of larger particulates

• Helps maintain clarity and supports overall filter performance

• Easy to install and replace

• Safe for freshwater and saltwater aquariums