All Brass Fitting 1/4" SAE Easy-To-Read Gauge Accurately Measure Rubber Protector For Gauge Model PCM2-134aRefrigerants R22,R134a,R12,R407c,R502Pressure -30~350psi 0~500psi Fitting 1/4"-1/4"-1/4"Charing Hose 1/4"-1/4"-1/4" 3pcs red&yellow&blue 36"(90cm) manifold gauge