【Precise Machine Compatibility】This 34722 Enviro-Guard hose set is a direct replacement for Robinair 34788, 34288, and 34134Z RRR machines. The 9-foot red and blue hose pair is specially designed for automotive R-134a refrigerant service, with clear R-134a markings for quick identification and error-free use 【hyposmosis Leakproof】Constructed with premium barrier material, the hoses meet strict hyposmosis standards to virtually eliminate refrigerant leakage. While delivering superior leak resistance, the material maintains excellent flexibility for easy operation, even in tight automotive A/C service spaces 【High-Pressure Safety】Built to withstand harsh working conditions, the hoses feature a 740 PSI working pressure and 3700 PSI burst pressure rating. This robust design ensures reliable performance under high pressure, preventing hose rupture and ensuring safe refrigerant handling during A/C maintenance 【Spec & Fitting Compatibility】This hose set includes 9 foot long, 1/4 inch diameter red and blue hoses that are clearly marked for R-134a refrigerant use, allowing for quick and error-free identification during operation. Each hose is equipped with 14 mm male x 1/2 inch ACME female fittings, ensuring a tight and reliable connection with compatible RRR machine interfaces 【Comprehensive After-Sales Support】We stand behind the quality of our 34722 hose set with comprehensive after-sales support. If you encounter any issues with fit, performance, or durability, our professional support team will provide prompt assistance to ensure your satisfaction

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34722 red and blue r-134a enviro-guard hose set
34722
Enviro-Guard Hose
34788 Hose
34288 Hose
34134Z Hose