Perko Marine Chromalex Locking Gas Fill

Locking deck fill with black plastic splash guard along with cap and strap. Locking cap has cover for the key slot. Chrome plated zinc alloy. Includes 2 keys, also requires grounding per U.S.C.G. requirements. TECH INFO: For Hose Size: 1-1/2" O.D. Flange: 3-1/8" Length of Neck: 1-7/8" Mounting Hole Dia: 2-1/8" Screw Size: #6