Quick view Hongsen Hongsen Hs-18 Manifold Pressure Gauge -30 To 550 Psi R404A MSRP: $249.99 Hongsen Hs-18 Manifold Pressure Gauge -30 To 550 Psi R404AHongsenCalcon Instrumentation & Sales LlcHs-18-50 To +50˚C R404A-70 To +40˚C R407C-50 To +60˚C R22-50 To +60˚C R134A-30 To 250 Psi-1 To... Add to Cart Add to Cart Add to Wish List Add to My Wish List Create New Wish List