Omnipure Q5485 2.5" x 8" Phosphate Inline Cartridge The Omnipure Q5485 is a water filter with phosphate scale inhibitor. The Omnipure Q5485 Scale Inhibitor water filter is very user friendly. Replacement of the spent media bed is done quickly by detaching the filter body from a permanent The new Q5485 filter body is just as easily threaded into the head and the replacement is then The Omnipure Q5485 is also available with the optional Twist Tap in-head valve system&#44; which