1. refillable for refrigerant gas recovery use, 2. normal sizes 14.3L, 30L,50L, ... 60L,100L volumes available Refrigerant Gas Cylinder, R22, R134a,R410a Refillable Cylinder for ... This Refrigerant Gas Cylinder/welded steel cylinder is used for refilling refrigerant gas and widely applied in refrigeration and ... Gas Cylinder, R22, R134a,R410a Refillable Cylinder for sale