Filter Medium : Pleated polypropylene, Support and Drainage : Polypropylene, Helical Wrap : Polypropylene non woven fabric, Cage, Core, Fin End and End Cap : Polypropylene
AB style cartridges only
Adaptor :Polypropylene with a stainless steel reinforcing ring, O-ring Seal :Ethylene Propylene Rubber or Silicone Elastomer
PUY style cartridges only
Gasket : Ethylene Propylene Rubber