The High Flo 12V Pump Port Fittings are made of tough poly construction to withstand wear and tear from heavy use and harsh chemicals. Contains part 5168836 with inch port fitting and 3/8 inch hose barb. Built to replace fittings in High Flo 2.1, 2.4, 3.8 and 4.5 GPM Pumps. | Fimco 3/8 Barbed Straight