polyester pond filter mat sponge foam

quarium bio filter mat for koi pond: 1.made from high quality material 2 helpful for developing nitrobacteria 3 use in pond

aquarium bio filter mat for koi pond/Pool filter medium matting

Our biological filter mat is made from high quality material which is helpful for developing nitrobacteria,with thick filaments and hard texture,so its good as middle-laying filter material.
Features: 1. good water resistance,light resistance,excellent water and air permeability,flame resistance 2. washable ,recyclable many times 3. durable 4.size:200cm*100cm*3.8cm,200cm*100cm*2.0cm 5. 45-50KG/CBM suitable for : 1).car paining room,factory painting room
polyester pond filter mat sponge foam