Moeller Brass Anti-Siphon Barb 38 NPT x 38 Barb This must-have Moeller valve meets ABYC H-24 requirements and provides anti-siphon protection. The Moeller Brass Anti-Siphon Valve delivers Coast Guardindustry standard anti-siphon protection on all gasoline-powered boats. Combines anti-siphon protection with a convenient hose barb design. Coast GuardIndustry Standard protection Calibrated for 200 HP and above Accommodates up to 38 barb Brass California Residents WARNING Cancer and Reproductive Har