Everything you need for a complete A/C flush job. Flush solvent is designed for R-12 or R-134A systems, and compatible with mineral, ester, paraffin and PAG oil. Includes: One gallon flush, flush canister with hose, nozzle and air cut-off valve, flush coupler to capture flush as it leaves the component being cleaned, flush instruction booklet, R-134A retrofit manual, goggles and a 5 gallon bucket with lid.