Muc-Off MO-94 All Purpose Penetrating Lube - 750ml Aerosol. Muc-Off MO-94 covers all the bases with its PTFE formula to quickly and effectively penetrate moisture lubricate moving parts and leave a long lasting protective film. MO-94 prevents dirt adhesion and also drives out excess water to keep rust and corrosion at bay. MO-94 isnt just for bikes motorcycles or cars. Nope. It works on just about anything. Whether youve got a squeaky door hinge a rusty lock or a bolt that you just cant turn MO-94 is all you need.Frees seized partsDisperses moisture to prevent rust and corrosionProvides light lubrication for moving partsReduces metal to metal contactPrevents dirt adhesionCuts down on friction to improve component efficiency