Rock Oil Sale Through Cyber Monday

November 29, 2013 11:00am

Rock Oil USA is offering free shipping on all sizes of water washable air filter oil until December 2nd. Use discount code Blackfriday during checkout at for $3.00 off, making 500ml bottles or 400ml aerosols only $9.95!

Factory eco filter fluid is a water washable air filter oil that is compatible with all foam air filters. Rock Oil Factory Eco completely eliminates the need for harsh chemicals in order to clean your air filter; simply apply warm water and agitate to clean.