Prima Hydro: Spray Wax, 1 gallon refill jug Save $33.65 per gallon over the individual 16 oz bottles! 1 gallon = 128 ounces (8 16oz bottles!) Super concentrated: only a few spritzes per panel needed! Use as a spray wax on a dry surface or as a wax-as-you-dry spray for convenience Offers a deep, rich wet-look with durable protection