Robinair (34102) Refrigerant Tank for R-134a - 30 lbs. Refillable 30 pound refrigerant recovery tank for use with R-134a refrigerant (not included) Direct replacement tank for use with Robinair No. 34234, 34300-2K, 34800, 34134A, and 34134-2K Refrigerant Recovery/Recycling/Recharging Stations 1/2 inch ACME fittings on dual valves necessary for both recovery and recycling Tank is shipped with a nitrogen fill to prevent moisture contamination and must be evacuated before use Note: this tank DOES NOT include actual R-134A refrigerant - it is an empty tank (except for temporary nitrogen fill) designed for recovery use