Small shops and fields package This package comes with everything for shops or fields need to refill high pressure cylinders. This Package includes: - 1 x 4.9 cfm 5000 psi Bauer O2 compressor (230/460 VAC three phase) - 2 x 444 cu. ft. @ 4500 psi storage cylinders - 1 x interconnecting hoses & hardware for connection - 1 x dual position fill station allowing both 3000 psi and 4500 psi fills