Perko Fill f/1-1/2" Hose - Straight Neck - Gas. D. Flange: 3-3/8" Mounting Hole Dia.: 2-1/8" Neck Length: 2-7/16" Screw Size: #8 Specifications for Perko 0541Vented Fill f/1-1/2" Hose: Manufacturer: Perko Color: Black Features of Perko 0541Vented Fill f/1-1/2" Hose Chrome-plated bronze cap Black plastic body Stainless steel beaded chain Integral tank vent with flame arrestor and anti-surge valve Deck plate key included Package Contents: Perko 0541Vented Fill f/1-1/2" Hose Perko 0541DPGCHR: 0541Vented Fill f/1-1/2" Hose - Straight Neck - Gas