Usage Tips:Type VI Replacement Cartridge: The Type VI filter cartridges is made of easy-to-clean and hard-wearing Dacron paper. for Lay-Z Spa and for SaluSpa 90352E filter.Dimensions (L x W x H): 10*8*5cm Powerful Filtration Performance: Innovated "Dirt-Locking" technology make the fabric traps much more contaminants than regular fabric. This filter efficiently removes hair, leaves, dust, sediment, sand, etc. Enjoy clean leisure time in your pool. Keep The Water Fresh: This massage pool filter is sure to keep your pure spa jet massage water clean and fresh. It apply to most massage pools, with this filter, you can enjoy the safe and healthy massage pool spa. Easy Maintenance: Helps Pool to get rid of build-up and debris by collecting pool gunk! Removes particles, chemicals, and metals such as copper and lead - reduces substances that make pool water too strong like chlorine and its compounds, sunscreen, and hair-care products. Safety Filter delivers safe and clear purified water to inspire the highest sense of happiness. Enjoy your unique leisure time.The filter medium is made of PP polyester fiber cloth, which has good mechanical properties and solar properties, high temperature resistance and is not affected by strong acid.