Fluval Foam Filter Block - SPEC 3 & 5 EVO 5 Flex 9

Specifically designed for Fluval Desktop Aquariums, Fluval Foam Filter Block provides critical stage 1 mechanical filtration by trapping large particles and debris. Key Features: Provides critical stage 1 mechanical filtration Traps large particles and debris Designed specifically for the Fluval FLEX 9, SPEC 3 & 5 and EVO 5 aquarium series Fluval BFA Item # Foam Filter Block HA11376