Air Brake Hose, Black, Hose Length 30 in, Hose Cover Material Synthetic Rubber, Compatible Chemicals Air, Fresh Water, Fitting Material Brass x Brass, Fitting Size 3/8 in x 3/8 in, Fitting Type MNPT x MNPT, Hose Configuration Coupled Assembly, Hose Fitting A Material Brass, Hose Fitting A Size 3/8 in, Hose Fitting A Type MNPT, Hose Fitting B Material Brass