This refill bottle is designed to be used with the taski sani 4 in 1 smartdose washroom cleaner and comes in a pack of five working with smartdose bottles you will be provided with an exact dose of diluted disinfectant and descaler allowing you to get cleaning without having to spend time measuring doses each bottle has a capacity of 500ml and is supplied empty ready to be dosed filled and used refill bottle for use with taski sani 4 in 1 smartdose trigger spray bottle for easy applicatio