Pool Filter: 100% Polyester Fiber Material, Better Dust Collecting Ability, 2-Piece Replacement Filters For Pool And Spa Cleaning SystemProduct Dimensions: Pool Filter Diameter: 150 Mm; Height: 241Mm; Thread: 46.5MmProduct Features: Swimming Pool Filter Collapsible Design Increases Filter Area, Low Pressure Difference, Large Range, Long Service Life, Can Be Cleaned And Saves Cost. Product Compatibility: The Pool Filter Is Compatible With Most Above Ground And Above Ground Swimming Pools, And Indoor And Outdoor Swimming Pools.Perfect Job: Lzh Filter Filters Are Essential For Keeping Lay-Z-Spa In Top Condition. Ideal Functioning. Just Hook It Up To Your Spa And It Will Filter Dirt And Grime In The Water To Keep It Clean And Healthy.