Home Plumbing Pipe Fittings HTHC Series Thru-Hull Connector (Hose ID 1”) Groco HTHC Series Thru-Hull Connector (Hose ID 1”) $60.09 HTHC Series Thru-Hull Connector (Hose ID 1”) quantity Add to cart Product Details Product Details Thread NPS 1″. Hose ID 1″. 90� barb. #316 stainless steel thru hull with bronze hose connection. UL Listed 647B.
