Uniweld's Soft Magic Barrier Hoses are rated for R-410A, CFC, HCFC, and HFC refrigerants. Contains an adjustable threaded valve depressor, two safety venting slots, a molded replacement gasket, braid for high pressure strength, nylon permeation and moisture barrier. Includes a large deep knurled hose nut, a high pressure eight sided crimp, a color coded cover, and a rubber permeation barrier.