50mL Car Engine Compartment Cleaner Removes Heavy Oil Window Cleaning HGKJ-19
(try not to flush with water. Dilute with water (1 mL cleaner : 8 mL water). Clean the dust oil with a sponge or brush. 1X HGKJ-19 Engine Warehouse Cleaner- 50 mL Bottle. Shake well and spray on the dust oil and wait 3-5 minutes. ).