Specifically designed for Fluval 407 and 406 high-performance external filters, Bio-Foam Max 2-in-1 filter blocks provide both biological and mechanical filtration media. The blocks have a wavy pattern offering 30% more contact surface for efficient filtration of waste and debris.
Key features :
- Consist of premium biological and mechanical filtration media;
- Have a wavy spiked pattern offering a 30% increased contact surface for efficient trapping of waste and debris;
- Prevent premature filter clogging and thus extend the life of other filter media;
- Feature a complex foam structure that helps maintain stable and uniform water flow;
- Provide an ideal surface for the proliferation of beneficial nitrifying bacteria;
- Are perfectly custom-fitted to maximize filtration performance;
- Are available in a convenient 2-pack;
- Should be replaced every 6 months;
- Are suitable for freshwater and saltwater aquariums.
