Made of 316 stainless steel. On the exterior, they have a smooth edge over the competition. Unlike some others, there is no protruding cap to cause damage or be damaged by hull bumps and scrapes. Cap unscrews with hex head wrench for easy cleaning of filter and pressure testing of entire fuel system. Hose 5/8" ID Max Hull 7/8" Hole 1-3/8"

Price is per unit.Also available in a case of 12. Please call us if interested in case pricing.