This is the NEW and improved ECO Spout supplied with all Fuel Packs sold within the USA. It is leak-proof, spill-proof, child-proof, and meets all EPA/C.A.R.B. requirements. All spouts come with a 30-day warranty. TO USE THIS SPOUT, TWIST RED RING TO THE UNLOCKED POSITION, AND THEN PUSH OR APPLY PRESSURE TO THE SPOUT UNTIL IT SLIDES 1/4", AND THE GAS WILL FLOW. NOTICE: This spout will not fit on fuel packs with bleed valves. Our Eco Spouts were recently updated. Please email support@rotopax.com if you have any questions on the spouts. Spout kit includes: Black/red self-venting/child-proof ECO spout with rubber gasket and stopper.