3-Stage Filtration 20 Inch Big Blue Whole House Water Filter Housing System Set. Package Include 3 DB10 4.5″ x 20″ Whole House Water Filter Housing Set Not Include the Filters 2 PP Sediment Filter 1 CTO Carbon Filter SimPure DB20 4.5″ x 20″ Big Blue Water Housing SimPure DB20 Whole House Water Filter Housing for 1 NPT Thread Inlet/Outlet Filtration System With the 20 inch whole house water filter housing for sediment filter, compressed activated carbon filter, granular activated carbon filter, ect, you can have peace of mind that it can purify the water coming into your home, make your family drink cleaner and live healthier. It can keep the particles out of the pipes and plumbing fixtures, less maintenance for the downstream pipeline, water purifier, water heater, wall hung gas boiler, wash machine, shower, and other terminal water equipment. 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.