Water Filter O-Ring - O.D. 90mm (3 3/4") I.D. 85mm (3 3/8") CS 5mm #o-ring-import-10 - HKF-1014WW
O-Ring - Be sure to use Dow 111 Silicone Sealant to help prevent leaks.
Chrome Air Gap Faucet - Long Reach GGN-FAUCET-AG-P. The perfect replacement faucet for under sink reverse osmosis systems. Works as air gap or non air gap. Push handle allows you to lock it in open position for filling pitchers or cooking pots. Attractive design.