Pressure Gauge Assembly for Airless Sprayers Comes complete with tee and fittings. 1/4" NPT Threads 0-4500PSI, Fluid filled glass Face. Can be used for all fluid applications. Swivel may be on the right or left side. If swivel needs to be on the opposite side, loosen both fittings, replace plumbers tape and reattach. Refer to your machine manual for detailed information.