3/8 Barb x 1/4 NPT Brass Anti-siphon Valve – Rigging Shoppe

Aluminum Anti-Siphon Valve – 3/8″ NPT x 3/8″ Barb - Moeller Marine

Island Water World Vented Loop w/Valve

WEST MARINE 1/4 Barbed Anti Siphon Valve

Seachoice Male Hose Barb-3/8 x 3/8 Npt 20791 - NuWave Marine

Boat Fuel Tank Anti-Syphon Valve 1/4 Inch NPT Male Threads x 3/8

Moeller - Anti-Siphon Valve - 1/4″ NPT x 3/8″ Barb - 03380710

Island Water World, Male Elbow, Hose Pillars

Marine Engine Parts & Boat Motor Parts Moeller Marine

Depression Valves Abbott Rubber Company

Sierra OMC All Tank & Engine Fuel Connector – Rigging Shoppe

Moeller Marine Aluminum Anti-Siphon Barb (1/4 NPT) : Boat Fuel Tanks : Sports & Outdoors