Custom-made to fit the Juwel Compact / Bioflow 3.0
Specific dimensions in the following Product Description
1 Set, each set contains 1 x Blue Fine, 1 x Blue Coarse, 2 x Green Nitrate, 2 x Black Carbon sponge and 5 x Poly Pads
Absorb impurities to ensure the water crystal clear, Better biological filtering
This is a INGVIEE filter replacement, made from the same material