Compatibility: This PDM30 spa filter is compatible with Pleatco PDM30, A quarest 461269, 361269, Dream Maker 461269, 461272, P61269, Clear Choice CCP426, Filbur FC-9940, FC9940M, Stonehenge, , Big EZ, EZ Spa, EZL, and Fantasy. Crosses over to 730L, 730S. (Note: This is a compatible replacement part. Manufacturer names and part numbers are used for reference only. This product is an independent brand.) Specifications: Oval spa filter designed for hot tubs. Length: 9.75 inches. Outer Diameter: Oval 6.25 x 5.25 inches. Top: 3 inches open. Bottom: 4.125 x 3 inches open oval. Filtration Area: 30 sq. ft. Robust Construction: Built with durable materials for long-lasting performance in hot tub applications. Effective Filtration: Features trilobal filtration fabric engineered to capture dirt, debris, and contaminants, helping maintain clean and clear spa water for a more enjoyable experience.