EBayFluval EVO Filter Sock Adapter – Upgrade Your Filtration! Give your Fluval EVO aquarium a serious filtration boost with this precision-made filter sock adapter, designed to replace the stock media basket and let you run standard 2 -2.75" Filter socks. Perfect for reef tanks needing cleaner water, higher flow, and better nutrient export. Features Custom-fitted for Fluval EVO 13.5 / EVO 52L Supports 2" - 2.75"– Filter socks (mesh or felt) depending on section when purchasing Improves water clarity by increasing mechanical filtration Durable 3D-printed design using reef-safe materials Easy installation — slides into the rear chamber, no mods required Great for reef, nano, and marine setups Benefits Captures more detritus than stock sponge/media basket Reduces maintenance and keeps water cleaner longer Helps stabilize nutrients and improve coral health Works with most aftermarket filter socks Tested with "ESHOPPS 2.75" Nano Filter Socks" From Amazon but any 2.75" Filter sock should work. Package Includes 1x Fluval EVO Filter Sock Adapter (Filter sock not included) Compatibility Fluval EVO 13.5 (52L) Also fits most aftermarket chambers with identical dimensions Upgrade your nano reef’s filtration today and enjoy cleaner, clearer water! Tested with "ESHOPPS 2.75" Nano Filter Socks" From Amazon but any 2.75" Filter sock should work.