Groco Stainless Steel Hose Thru-Hull FittingGroco stainless steel thru-hull fittings are constructed of durable #316 stainless steel and are available in a range of sizes. NPS thread with hose connection; UL Listed 647B; Specifications:Part NumberThread NPSHose IDABCDEWeightHTH-750S3/4"3/4"2.7"0.3"1.9"1.2"1.3"0.6 lbs.HTH-1000S1"1"2.8"0.3"2.3"1.2"1.3"0.8 lbs.HTH-1125S1"1-1/8"2.8"0.3"2.3"1.2"1.3"1.0 lbs.HTH-1250S1-1/4"1-1/4"2.8"0.3"2.6"1.1"1.3"1.1 lbs.HTH-1500S1-1/2"1-1/2"2.8"0.3"2.9"1.1"1.3"1.3 lbs.