Omnipure Q5440 Coconut GAC Water Filters The Omnipure Q5440 acid washed coconut GAC filter is very user friendly. Replacement of the spent media bed is done quickly by detaching the filter body from a permanent The new Q5440 filter body is just as easily threaded into the head and the replacement is then The Omnipure Q5340 is also available with the optional Twist Tap in-head valve system&#44; which The Omnipure Q5440 Water Filter can be used in ice makers&#44; refrigerators&#44; beverage