1>sponge filter,polyurethane foam materials . 2>Reticulated, open cell(10ppi-80ppi) 3>Good aquarium filter, water filtering.

 sponge filter ,polyurethane foam materials . which reticulated and open cell(8ppi - 80ppi) , we can do any sizes or shapes according customer required .  widely used for water treatment , aquarium , cooling tower and so on ....

sponge filter materials based on Polyurethane foam which reticulated and open cell(10ppi ---80ppi)

sponge filter