Hot Tub Solution have just taken delivery of Replacement Canadian Spas Filters that will fit all models from 2013 with threaded screw in Hot tub filters, these filters are similar looking to the popular PWW50 hot tub filters but are shorter in length with a unique thread that is specific to Canadian Spas Hot Tub Filters, if You require Filters for any of the Canadian Spa models including, Thunder Bay, Toronto, Alberta, Victoria, Yukon or any other of the Canadian Spas range email Hot Tub Solutions Scotland, [email protected]