Everwell® Manifold Gauge. R410a/R22/R404a/R134a

RG-500-C
Case: Blue
Refrigerant: R410a/R22/R404a/R134a
Max Pressure (psi): 500

RG-800-C
Case: Red
Refrigerant: R410a/R22/R404a/R134a
Max Pressure (psi): 800