LTWHOME Compatiable Foam and Carbon Rings Fit for Biorb Filter Set / Service Kit (Pack of 16)
beaufan 23 Packs Aquarium Media Kit Compatible with Fluval FX2 / FX4 / FX5 / FX6 Canister Filters, Includes Bio-Foam Blocks, Carbon Sponge Filters, Ceramic Rings, Activated Carbon, Silicone Lubricant
INGVIEE Compatible Foam Filter Pads for Fluval U2 (6x Foam Pads, 6x Carbon filter, 6x polyester filter pads)
Finest-Filters 4 x Compatible Foam and 4 x Compatible Polycarbon Carbon Filter Cartridges to fit Fluval U4 Internal Filter
Finest-Filters 8 x Compatible Foam and 8 x Compatible Polycarbon Carbon Filter Cartridges to fit Fluval U4 Internal Filter
Finest-Filters 4 x Compatible Foam and 4 x Compatible Polycarbon Carbon Filter Cartridges to fit Fluval U3 Internal Filter
