Busch R-530 Oil, 1Qt.
30 weight refined hydrocarbon oil, compatible in most R5 series of vacuum pumps
Busch OEM Part # 831.033.01
Same as Ultrasource item #884755
NOTE: Not recommended for small vacuum pumps typically found in table-top vacuum sealers. For these applications we recommend our lighter #22 oil
Please call us if you have any questions.