AIRFIN® Disc diffusers are compression molded EPDM / Silicon / Viton / PTFE layered membranes with low plasticizer and filler to ensure exceptional quality, strength and longer prudent life.
The diffuser assembly of base and ring are constructed of glass fiber reinforced poly propylene for maximum life and durability. The diffusers incorporate an external triple check valve design to prevent intrusion of liquid or solids into the diffuser or air piping during ON/OFF operating conditions. Precision die cut perforation proprietary design for maximum oxygen transfer efficiency.