O-Ring Seals for 1-1/4" Hose Connections Set of 2 Hose O-Ring for Intex, Sand N Sun, Wet Set and other pool filter pumps and hose fittings with connections for 1-1/4" diameter connection hoses. Genuine Intex replacment part number 10134 Sold in sets of 2 O-Rings. Replacement O-Rings for Model 02 (500 gph) Model 108R (1,000 gph) Model 12/12R (700 and 1,000 gph) Replacement O-Rings for Model Model 603 (530 gph) Model 637 (800 and 1000 gph)