Fluval Flex 2.0 Aquarium Foam Filter Blocks (Pack of 3) - Clear Water Mechanical Media cab-only Function: Water circulation and filtration

Function: Water circulation and filtration

Please note: these are unsuitable for the Biotec 5

Over 50% more effective than many alternatives

it reduces the risk of staining and transferring onto hard surfaces

By integrating mechanical and biological filtration

Fluval Flex 2.0 Aquarium Foam Filter Blocks (Pack of 3) - Clear Water Mechanical Media cab-only Function: Water circulation and filtrationThe Flex 2. 0 Foam Block is designed specifically for Fluval Flex 2. 0 aquariums, providing reliable mechanical filtration to help maintain clear and healthy water conditions. These foam filter blocks effectively trap large particles, debris and waste before they circulate through the aquarium system, supporting cleaner water and improved filter performance. Key Features Genuine replacement foam filter blocks for Fluval Flex 2. 0 aquariums Provides