Commercial grade 2" face oxygen-safe gauge features a 1/4" NPT male threaded bottom. Chrome plated housing for durability and corrosion resistance. Large white easy-to-read dial includes green markings at Refill, 1/2, 3/4 and full. we ship this item Fast & Free within the USA via First Class Mail. If you need it faster you may upgrade to 2-3 Day Priority Mail at checkout for just $4.
