Perko Vented Gas Fill for 1.5" Hose - Straight NeckThe Perko 0541 series of vented fills are built to be durable and long lasting. This fill is marked for gas and features a 2-7/16" straight neck. Perko's 0541 series fills are constructed with a black polymer body and chrome-plated bronze cap. Features: Straight neck; Chrome plated bronze cap; Black polymer body; Stainless steel bead chain; Marked for gas; CE Certified; Specifications: For Hose Size: 1-1/2"; For Vent Hose: 5/8"; O.D. Flange: 3-3/8"; Mounting Hole Diameter: 2-1/8"; Neck Length: 2-7/16"; Screw Size: #8; Click to Download Perko Vented Gas Fill Installation Instructions