12 gal Fuel Tank with Gauge. Attwood Portable Fuel Tanks are constructed of the same high strength Multi-layer Co-extruded HDPE/EVOH material as found in automotive fuel systems. Attood portable fuel tanks include an exclusive ratcheting, automatic low-restriction, high-flow fuel cap that ensures proper fuel flow and engine performance in all conditions. High strength Universal Pick Up Tube with standard 1/4" NPT fuel fitting. Compatible with Attwood's new Universal Sprayless Connector (8838US6) and all other standard fuel fittings. Use with self-sealing fuel fittings (such as Attwood Universal Sprayless Connector). Use thread sealant when connecting fittings. Features Robust tank construction the same as found in most automobile fuel systems Exclusive no-joint injection molded tank interfaces ensure leak free performance in severe conditions Ratcheting cap with tether ensures proper tank closure and prevents accidental cap loss Cap includes automatic vacuum valve that eliminates the t