Fluval Filter Foam Block for 204/205 and 304/305 (2 pack)
- AirFilters.com$3.18Buy
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From AirFilters.com
Fluval Filter Foam Block for Fluval Canister models 204/205/304/305 (2 Pack) Captures large particles for effective mechanical filtration. Custom fit to prevent bypass. Allows efficient water flow with less clogging for long-lasting filtration. Enhances biological filtration. For freshwater and saltwater. AirFilters.com This Fluval Filter Foam Block captures large particles for effective mechanical filtration, the crucial first stage in the filtration process. Each foam filter is custom fit to prevent bypass, featuring a pore size that allows efficient water flow with less clogging for long-lasting filtration, while also enhancing biological filtration.