Mountain 8205 R-134a Brass Manifold Gauge Set with Couplers Use with brass manifold body for best performance Features automatic style couplers for easy attachment Comes with 60" yellow, blue and red hose This product is for applications of the R-134A refrigerant A/C systems. Is not designed for R-12/22 refrigerants Comes with easy to hang hook to keep it where you want it One year warranty