Caltek can assist you with replacement elements for any Parker branded housing (Domnick Hunter, Balston, Zander etc). We also have a range of elements to fit other brands as well. Parker’s Parfit elements are made to fit other brands but also have the advantage of Parkers superior performance, allowing you to obtain all your filter elements from a single source regardless of the brand you’re currently using. A quick and easy solution saving you time and preventing unnecessary delays.