The body is produced in acetal copolymer. 'O'Rings are nitrile rubber. The collet is produced in acetal copolymer with stainless steel teeth. PI0208S , PI0212S , PI301208S , PI301612S.
John Guest Fittings
Nugen RO-5-50 5 Stage Reverse Osmosis Replacement Water Filters
Nugen RO-3-25 3 Stage TFC-24 Reverse Osmosis Replacement Water Filters Help
Microline TFC-435 Reverse Osmosis System Replacement Water Filters