Blue Wave Filters are a universally fitting for all 10″ and 20″ inch cannisters. Depending on your specific application, choose your filter according to the micron rating. Filters with a 1 micron rating are the most aggressive and filter contaminates of 1 micron and larger. Filters with a 100 micron rating are the least aggressive and filter contaminates 100 microns and larger. Please contact Blue Wave to learn our suggested filter for your application.