Bundle includes: 2 pieces Bio-Foam, 6 pieces Ammonia Remover, 6 pieces Phosphate Remover, 6 pieces Nitrite Remover. 07 series marks the 7th incarnation in 4 decades of Fluval's top selling canister filter family worldwide. Not only does the latest generation incorporate the power and reliability you've come to expect from the leader in aquatic filtration, but it also features several new performance upgrades that make it up to 25% quieter and more robust, energy-efficient, flexible and easier to use than ever before.