quick view Firestone Firestone Air Tank 20 Gallon 12in. x 44in. (6) 1/2in. NPT Ports 150 PSI Max - Black (WR17609277) - 9277 MSRP: $277.21 $210.99 This Firestone air tank provides a source of compressed air for an air spring system. Tank has 20-gallon capacity, (6) 1/2" NPT ports and (1) 1/4 port. Tank is enamel coated, tested to be SAE J10 compliant and capable of 150 psi. Features: Provides... Add to Wish List Add to My Wish List Create New Wish List Compare