Specification Brand : Discount Pool Mart BulletPoint1 : Made in USA replacement cartridge for Sundance Spa 40 cartridge filter for swimming pool. Efficient water filtration allows for cleaner and even more safe water to swim in. BulletPoint2 : Individual replacement cartridge compatible with Sundance Spa 40. 16" Height | 4 5/8" Outer Diameter | Male 1 1/2" Threaded/MPT. Compatible with 4CH-35 FC-0161 6540-486 BulletPoint3 : Equipped with a heavy-duty reinforced core, for added stability and long-lasting use, replacement cartridge filters set for Sundance Spa 40 will be durable in any condition. BulletPoint4 : Chemical Resistant Pleated Elements exceed OEM Specifications. Equipped with synthetic filter media for complete and thorough water filtration keeping your pool water clean and safe. BulletPoint5 : Replacement set for 4CH-35, 4CH35 | 6540-486, 6540486 | FC-0161, FC0161 pool filter 1 pack. Comes with 40 Sq Ft cartridge replacement Color : White ExternallyAssignedProductIdentifier1 : 0679529400235 ExternallyAssignedProductIdentifier2 : 679529400235 ItemName : DPM Cartridge Replacement for Sundance Spas 40 Sq Ft Pleated Element 1 Pack Made in USA | Replaces 4CH-35 6540-486 FC-0161 (40 Sq Ft - Height 16" - Diameter 4 5/8" - Male 1 1/2" Threaded/MPT) ItemTypeKeyword : swimming-pool-cartridge-filter-inserts ItemTypeName : Cartridge Manufacturer : Discount Pool Mart Material : Plastic ModelName : Sundance Spa ModelNumber : Sundance Spa Series PartNumber : 4CH-30 ProductDescription : Replacement Filter Cartridge helps to clean your pool/spa water by capturing all the accumulated dirt and debris. It is made from tough polyurethane material for long-lasting usage. The cartridge is equipped with synthetic filter media for complete and thorough water filtration. Style : 40 Sq Ft - Height 16" - Diameter 4 5/8" - Male 1 1/2" Threaded/MPT SupplierDeclaredDgHzRegulation : not_applicable