050 1530 000 Polished steel pressure sprayer 100 l subgroup Handbediende vetpompen we recommend to use filtered we recommend to use filtered and lubricated air To optimize the efficiency and the live time of our air operated pumps we recommend to use filtered and lubricated air detergents When they are filled with liquid for 3 4 of their capacity and air is put inside at 6 8 bar they work automatically without any continuous link to compressed air