LTWHOME 20-Pack Three-layer Extra Durable Wave Shape Magic Cleaning Sponge Eraser Multi-Functional Melamine Foam for Kitchen, Bathroom, Wall Large coarse filter foam for

Large coarse filter foam for main body of the system and small fine filter foam for front of the all in one system

Change every 2 to 3 weeks and easy to replace

The fiber blue sie cuts through grease and grime

Biopower 160/200/240 and Eheim Prefilter 400432

LTWHOME 20-Pack Three-layer Extra Durable Wave Shape Magic Cleaning Sponge Eraser Multi-Functional Melamine Foam for Kitchen, Bathroom, Wall Large coarse filter foam forThree Layer design helps it to last longer. Multi purpose Cleaning with Water Alone. High temperature compression sponge with wave points on the surface, comfortable for grabbing.. Compare with original magic sponge it is much more stronger can easily removes stubborn dirt,greasy, rough surface with water only. High density, durable, convenient and comfortable to use.