Whole House Water Filter System Carbon KDF Sediment 3 Stage Filtration 4.5″ 20″. NEW Whole House Water Filter System Carbon KDF Sediment 3 Stage Filtration 4.5″ 20″ Model WH300SCKS Number of Filtration Stages 3-Stages Material Stainless Steel Filtration Method Carbon/Charcoal, Carbon Block, Coconut Shell Carbon, CTO, KDF Type Water Filter Number in Pack 3 Compatible Model Universal standard size Color Blue Contaminant Removal Sediment Brand Express Water Suitable For Household. Check out our entire store for more great products and deals! We do however make every possible attempt to accurately describe the inventory we sell and stand behind it. Since 2016, 8TEN Industries has been a leading asset recovery provider supporting national retailers, brands, and manufacturers. Our 60,000 square foot processing and distribution facility located in Cass City, Michigan has allowed us to become industry leader in turning difficult problems for manufacturers into great deals for our customers.