Manifolds are also available with larger, easier to read 3-18 color-coded gauges in rugged steel cases with polycarbonate crystals These gauges feature 1% accuracy (class 1) for an exact reading in critical charge systems Forged brass body for durability Full porting maximizes capacity and flow Some models include color-coded, 60 plus II hoses with standard 14 flare fittings Hose assemblies UL recognized for 4000 psi (275 bar) burst and 800 psi (55 bar) working pressure