Specification Brand : PerfectPitch BulletPoint1 : HIGH QUALITY FILTRATION--Type I replacement filter cartridge is a part of your Intex, Bestway or Summerwaves routine maintenance for your swimming pool or hot tub cleaning. Inner diameter:1.1inches.Outer diameter: 3.11 inches; Total height: 3.46 inches BulletPoint2 : Compatible with SFX-330 and RX-330 filter canisters. Fits Bestway Flowclear 330 gallon per hour 220-240 volt (Europe) filter pumps BulletPoint3 : EASY TO CLEAN---The filter cleans easily. Simply take the filter out of the pump and spray off the debris with a garden hose. BulletPoint4 : PACKING SPECIFICATION --Each filter of this 4-pack replacement cartridge set measures 3.54x3.11in. BulletPoint5 : 100% Satisfaction or Money Back Guarantee. Color : 6 Pack ExternallyAssignedProductIdentifier1 : 0727272203730 ExternallyAssignedProductIdentifier2 : 727272203730 ItemName : C-4301 4.94 x 14.88 in. Unicel 4000 Series Cartridge ItemPackageQuantity : 1 ItemTypeKeyword : swimming-pool-cartridge-filter-inserts Manufacturer : 通用 Material : Polyester PartNumber : PE893523 ProductDescription : The best replacement elements you can buy for your pool or spa. The durable polyester makes the Unicel cartridge able to last longer than cheaper alternatives. Features: Durable polyester material. More cartridge pleats mean better filtering capacity. Built to the highest quality possible. 4000 Series Open Replacement Filter Cartridge. With 2 18 in. Open replacement filter cartridge. Filtration area: 28 sq. feet. Size: 4.94 x 14.88 inches. Dimensions: 6 x 4 x 15.5 inches. Size : 3 2/16 D * 3 8/16 inches UnitCount : 1