1/4" Female Quick Coupler x 1/8" Female NPT Quick Coupler 4812P
2 1/2" Hi Side Red Pressure Gauge R-134a/R-404a/R-507
2 1/2" Low Side Blue Pressure Gauge R-134a/R-404a/R-507
2 1/2" Low Side Blue Compound Pressure Gauge R-12/R-22/R-502
2 1/2" Hi Side Red Pressure Gauge R-12/R-22/R-502
3-1/8 Liquid Filled Gauge High Side R410a Only
3-1/8 Liquid Filled Gauge Low Side R410a Only