EHEIM 2628310 ECCO FILTER CARBON FOAM PAD. Pack of 3 2232, 2234, 2236, pro 2/300 4011708260500 | eBay
Amazon.com : EHEIM Filter Pad Set for Ecco Pro Easy Series, 1 Coarse and 4 Fine Filters,BLUE,6.00 x 6.00 x 4.00 inches : Aquarium Filter Accessories : Pet Supplies
Ltwhome Activated Carbon Filter Pads Suitable For Eheim Ecco Pro 130/200/300 Ecco 2232/2234/2236 - Filters & Accessories - AliExpress