****** - Verified Buyer
4.5
I have used P21s for years on all of our car wheels Porsche, Audi, BMW, Land Rover Datsun Subaru its a great product for cleaning them up. The big container works best for me so I don't run out. It sits in my unheated garage year round and in New Hampshire its pretty cold in the winter but it seems to keep on working. I also have the sprayer attachment and have not had any problems with it other than remembering to hang it higher than the jug so it does not drain off the product.
