1" Jumbo, Heavy Duty Whole House Sediment Water Filter, Install Easily On 1" Main Water Lines, 4 Times The Capacity Of Standard 10 Filters, High Flow, Heavy Sediment Capabilities With Minimal Pressure Drop, Includes Housing Wrench, Use With Spas, Hot Tubs, Wells, Trickle Irrigation, Farm Uses & Other Commercial/Indus Or Industrial Applications, For Replacement Cartridges Use TV #'s: 164-607, 529-336, 530-913 & 852-582, Not Included.