LTWHOME Compatible Foam Filters Non-Branded but Suitable for Fluval 4 Plus 4+ (Pack of 12)Polyester Filter Pads : 10mm Thick Approx size: 220mm x 80mm x 10mm Suitable for Hagen Fluval 4 Plus + Filtration Systems Fine Filter Medium Maintains Crystal Clear Water Aquatic Grade Polyester

you could find different kinds of product quantities for your choice

Package Include: 50PCS ( 25L & 25R)

5mm x 65mm x 10mm

Package Include: 12PCS ( 6L & 6R)

Custom designed and manufactured for the Fluval FX5 / FX6 filtration systems

Pack include: 4 x Fine Filter Foam

Custom designed and manufactured for Fluval U1 aquarium filters

Package inclued: 12 PCS Coarse foam

Approx size: 385mm x 85mm x 40mm

Pack include 12 PCS Of Foam Filter

6 x Foam pads

Custom designed and manufactured for the Eheim Ecco Pro130/200/300 Ecco 2232/2234/2236 filtration systems