... conditioner,water pump ,water treament,acquairum,environment project 1 polyurethane and polyester foam material .2. veticulate,mesh,10ppi to 90ppi.3. good ... .could keep the color for a long time5. the filter foam is widely used in air conditioner,water pump ,water treament ... price,prompt deliver time,we often export the air fillter foam to USA HenKel company .