... .2. veticulate,mesh,10ppi to 90ppi.3. good resilient.good air permeability(95%) Tensile strength kpa00 elongation percentage< 90 tearing strength ... for a long time5. the filter foam is widely used in air conditioner,water pump ,water treament,acquairum,environment project.also could ... quality ,best price,prompt deliver time,we often export the air fillter foam to USA HenKel company .So , Don't ...