... : 1/4"-1" 3. ... /4", 3/8", 1/2", 3/4 ... /4", 3/8", 1/2", 3/4", ... 4, 1"Universal US female end: Size: 1/4", 3/8", 1/2", 3/4", 1"4 ... Lug Universal US hose end 4-lug: Size: 1-1/4 ... ", 1-1/2", 2"4 ... Lug Universal US hose end 4 ... -lug: Size: 1-1/4 ... /4", 3/8", 1/2", 3/4", ...