WD-40 comes in bulk varieties, which is great for industrial use a lot of WD-40, sometimes a can just isn't enough. That's why WD-40 is available in bulk liquid sizes:WD-40.

Brand:WD40
Product Type:Multi-Use Product Bulk Liquid
For Use With:Industrial Equipment;Soak Parts;Cleans and Removes Residue from Moulds;Penetrates Stuck Rigging Hardware
Applications:Multi-Purpose;Industrial
Container Type:Drum
Container Size:4 L
Physical Form:Liquid
Viscosity:2.79 to 2.96 cSt @ 40 °C
Odour:Mild