... .Disposable/reusable/ton cylinder,ISO tank 4.For refrigeration system R507 is an HFC replacement option for R-22 and R ... clearOdor Odorless Application: As the long-term substitute for R502, R507 used mainly in the low temperature refrigeranting systems. Packing Disposable ... (25LB) Refillable cylinder:400L,800L,926L,1000L,ISO-TANK Refrigerant Gas 507