Specification Brand : Yoozell BulletPoint1 : 【Safe And Clear】 Yoozell 8399 hot tub filter delivers safe and clear purified water to inspire the highest sense of happiness. Enjoy your unique SPA time. BulletPoint2 : 【Compatible Models】Length:16 1/2", outside diameter:8", top:semi-circular handle, bottom:3 5/8" open, filtration area:100 sq.ft.Compatible Models: C-8399, Filbur FC-3965, PCD100W, Caldera Utopia 73722, Caldera 100, 1039607, Darlly 81004. Suitable for spas and hot tub. BulletPoint3 : 【High Efficiency Filtration】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 spa and hot tub. The filter material contains premium spunbond nonwoven filter material for better filtration. BulletPoint4 : 【Long Service Life】 Unique Trilobal Filtration Fabric Structure make it easier to capture large volume of contiminants. It is also easy to wash/clean to recondition the filter. This filter lasts for 1years when proper maintenance is performed. BulletPoint5 : 【Easy Cleaning】The Trilobal Fabric Structure filter material makes it easy to release impurities when cleaning the filter, the filter is like a new one after cleaning. It is recommended that you clean cartridges every 2 weeks to maximize your spa's performance.Keep your pool and spa crystal clear and safe for you and your family. ExternallyAssignedProductIdentifier1 : 0774182378003 ExternallyAssignedProductIdentifier2 : 774182378003 ItemDisplayDimensions_Height : 7 inches ItemDisplayDimensions_Length : 19 inches ItemDisplayDimensions_Width : 7 inches ItemDisplayWeight : 2.5 pounds ItemName : Yoozell 8399 Spa Filter Cartridge Replaces for C-8399, Filbur FC-3965, PCD100W, Caldera Utopia 73722, Caldera 100, 1039607, Darlly 81004 Coleman Spas, 100 sq.ft Hot Tub Filter, 2 Pack ItemPackageDimensions_Height : 46.99 centimeters ItemPackageDimensions_Length : 22.86 centimeters ItemPackageDimensions_Width : 43.18 centimeters ItemShape : Rectangular ItemTypeKeyword : swimming-pool-cartridge-filters Manufacturer : Yoozell NumberOfBoxes : 1 PartNumber : PFC019-WE-2AA ProductDescription : Product description: Product packaging quantity:2 pack. Filter area:100 sq.ft. Feature:100% Brand new and high quality. Spa Filter Specifications: : Length:16 1/2", outside diameter:8", top:semi-circular handle, bottom:3 5/8" open, filtration area:100 sq.ft.Compatible Models: C-8399, Filbur FC-3965, PCD100W, Caldera Utopia 73722, Caldera 100, 1039607, Darlly 81004. Suitable for spas and hot tub. High Efficiency Filtration: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 spa and hot tub. The filter material contains premium spunbond nonwoven filter material for better filtration. Long Service Life:Unique Trilobal Filtration Fabric Structure make it easier to capture large volume of contiminants. It is also easy to wash/clean to recondition the filter. This filter lasts for 1years when proper maintenance is performed. Easy Cleaning:The Trilobal Fabric Structure filter material makes it easy to release impurities when cleaning the filter, the filter is like a new one after cleaning. It is recommended that you clean cartridges every 2 weeks to maximize your spa's performance.Keep your pool and spa crystal clear and safe for you and your family. Every product we make comes with a limited lifetime warranty.