Used by leading boat builders • Individually tested for quality assurance; State-of-the-art construction Manufactured from marine-grade cross-linked polyethylene material, these durable below-deck tanks meet and exceed all industry standards. Moeller permanent fuel tanks are equipped with a Stewart Warner electric sending unit, a 1/4" NPT aluminum withdrawal, and a barbed vent. Not for use with diesel fuel. Please allow 2-1/2" for fittings. Tank capacity: 27 gallons. Dimensions: 11.81"W x 36"L x 16.28"D.