Compatible Model: Type VI replacement spa and hot tub filter. Compatible with Coleman SaluSpa, Lay-Z-Spa, Intex, and other inflatable hot tub filters. Compatible with all spa models that require a Type VI filter. Perfect Fit: Our Type VI spa filters measure 4.1 x 3.1. You get 2/4/6 premium Type VI spa filters and excellent customer service. SaluSpa hot tub replacement cartridges help keep your spa water clean and pristine. Type VI spa filters, compatible with Coleman Type VI filter cartridges. Easy to Clean: Our Type VI spa replacement filters feature extra durable plastic and high-quality fiber pleats. Our hot tub filters are so easy to clean that you can reuse them again and again. Enjoy clean leisure time in your pool. High Filtration Performance: The premium fabric captures hair, leaves, dust, sediment, sand, etc. and is easy to clean and replace. The hot tub filter cartridge is installed inside the filter pump and effectively captures dirt and is reusable.