Compatibility Details: Our type VI SPA filters measure 4.1” x 3.1”. Designed to fit Type VI 90352E 58323 90427E. Compatible with Lay-Z-Spa, Intex, and other inflatable hot tub filter. Note: This is a compatible replacement part. Original manufacturers' names and part numbers are referenced for compatibility. BLACICO is an independent brand. High Filtration Performance: Premium quality Dacron fabric collects hair, leaves, dust, sediment, sand, etc. The hot tub filter cartridge is installed inside the filter pump, efficiently captures dirt, and is reusable. EASY REPLACE AND CLEAN: The Trilobal Fabric Structure of the filter facilitates easy release of impurities during cleaning, ensuring the filter feels renewed after each wash. Take the VI filter out of the pump, then wash it under strong water pressure to remove particles. For optimal performance, it's recommended to clean the cartridges once a month. KEEP POOL OR SPA FRESH: 50% open polypropylene flow core supports the filter fabric to maximize water flow, helps keep the best performance for the Coleman Saluspa filter, and keeps pool water clear, bringing you the ultimate spa experience. Good Customer Service: If you are not satisfied with our 12 pack Type VI hot tub filter received, please get in touch with us and be willing to provide a better solution for every dear customer! All your questions will be replied to within 24hrs! Compatibility Details: Our type VI SPA filters measure 4.1” x 3.1”. Designed to fit Type VI 90352E 58323 90427E. Compatible with Lay-Z-Spa, Intex, and other inflatable hot tub filter. Note: This is a compatible replacement part. Original manufacturers' names and part numbers are referenced for compatibility. BLACICO is an independent brand. High Filtration Performance: Premium quality Dacron fabric collects hair, leaves, dust, sediment, sand, etc. The hot tub filter cartridge is installed inside the filter pump, efficiently captures dirt, and is reusable. EASY REPLACE AND CLEAN: The Trilobal Fabric Structure of the filter facilitates easy release of impurities during cleaning, ensuring the filter feels renewed after each wash. Take the VI filter out of the pump, then wash it under strong water pressure to remove particles. For optimal performance, it's recommended to clean the cartridges once a month. KEEP POOL OR SPA FRESH: 50% open polypropylene flow core supports the filter fabric to maximize water flow, helps keep the best performance for the Coleman Saluspa filter, and keeps pool water clear, bringing you the ultimate spa experience. Good Customer Service: If you are not satisfied with our 12 pack Type VI hot tub filter received, please get in touch with us and be willing to provide a better solution for every dear customer! All your questions will be replied to within 24hrs!