Fluval FX 5/6 Grobdichte doppelte Dicke ""Mega"" Schäume kompatibel mit FX5/6
This set of 6 foams will suit the Fluval FX5 or FX6 filter. They are approx. 2" (50mm) thick which is 2x normal pond / aquarium foams. Amazing surface area compared to standard FX5/6 foams (which are flat).