DESC: 90 deg. water resistant fuel tank vent, prevents ingestion of water into fuel tank under normal sea conditions and wash down. Design includes a series of baffles and traps to allow air to move freely while preventing water from splashing back into the tank. Eliminates the need for an anti-siphon loop in the vent hose. It allows a more direct routing of the hose to the fuel tank, requiring less hose for installation. Meets ABYCH-24 ventilation specifications. Low silhouette installs easily in small areas. Fits hulls 1/16" to 5/8" thick. Designed for permanently installed fuel tanks. For 5/8" ID vent hose. Vents are made of flame-retardant plastic. Requires 1-1/2" height above hole center for anti-siphon feature. Installation hole size- 3/4". Dim.: Interior: 1-1/2"W x 2"D x 3-1/4"H. Exterior: 7.8" x 1-1/4"Dia.