The 25GX is designed to be the next generation workhorse of the Harris industrial regulator line. It FEATUREs larger, easier to read gauges and an ergonomic adjusting knob that also shields the adjusting mechanism from contaminants. -- Medium to Heavy-Duty -- -- -- Gauges: 2.5" Steel Dual Scale -- One-piece encapsulated seat design with internal filter and PTFE Teflon® seat. -- 7 Year Warranty -- Made in the USA -- -- -- -- UL® listed; CGA E-4