APEL saves their customers half the cost of their replacement cartridge filters and pleated bags by utilizing state-of-the-art cleaning technology, as opposed to selling them brand new filters every time. Drycleaning, Centrifugal Cleaning, and Soap-and-wash are the cleaning methods used depending on the filter construction and media type, all of which will maintain the integrity of the filter. The customer benefits by saving thousands of dollars annually. Turn around time is 10 Days or sooner.