OMNIFilter Heavy-Duty Replacement Cartridge Economical string wound sediment cartridge Designed for fine sediment filtration for the whole house Flow rate of 10 gallons per minute Fits OMNIFilter BF36, BF36, BF6, BF7 and BF9C filter housings and other major brands like GE, Whirlpool, Culligan, Aqua pure, Cuno, 3M and Watts Can be used on chlorinated or non-chlorinated water