
· The PPI filtration foam is made in polyurethane on a polyester base.
· It is an open cell foam.
· It does not create a large pressure drop.
· PPI is the number of opened cells.
· The higher the PPI the more filtration capacity.
· Thickness 5 – 10 – 15 - 20 mm.
· The 15 and 20 PPI foams can be cleaned.