GH134 E-Z Clip Refrigerant Hose - Refrigerant Hose - GH134, Universal Refrigerant Hose, 1 Metre Lengths - ID 7.9mm - GH134-6 Exceeds SAEJ2064. Effusion rate is 75% lower than S® standard. Moisture ingression: 70% lower than SAE standard. Applications: Can be used with the following compressor oils: PAG, ester, mineral oil & alkylbenzene. Can be used with all refrigerants including: R134a & R404a. Approved & used by leading car manufacturers. Construction: Polyamide inner tube, butyl rubber backing layer, polyester braid & butyl rubber cover.