Filter sponge,reticulated and open cell . Various porosity(8ppi-60ppi) Various density good for aquarium filtering Filter sponge  product widely used for aquarim filter, air filter and other filtering businessPU foam , Polyester foam, Polyether foam , top of quality...

gutter filter foam ,polyurethane foam materials Reticulated, open cell Mildew protection and Fire-proof gutter filter foam widely used for gutter filter, roof filter . we supply 4'K, 5'K, 6'K style .Polyurethane foam materials , top of quality ,reasonable price...

GutterFilter , polyurethane foam material Porous and Pliable, open cell GutterFilter, mildew protection Gutter Filter made from exterior-grade ployurethane, Gutter Filter is precisely cut to fit into 4'', 5" or 6", "K" style gutters. While very porous and...

Filter sponge Various porosity(8ppi-60ppi) Any color, any size, any shape. Best for aqua filtering, water and air filter Filter sponge widely used for aquarim filter, air filter and other filtering businessPU foam , Polyester foam, Polyether foam , top of quality...

gutter filter foam ,polyurethane foam materials Reticulated, open cell Mildew protection and Fire-proof gutter filter foam  widely used for gutter filter, roof filter .Polyurethane foam materials , top of quality ,reasonable price and great credit standing .Filter...

Gutter Filter , polyurethane foam material Porous and Pliable, open cell GutterFilter, mildew protection Gutter Filter made from exterior-grade ployurethane, Gutter Filter is precisely cut to fit into 4'', 5" or 6", "K" style gutters. While very porous and...