Yes, this may be an option depending upon the model you have. Please note that a field changeout would also require replacement of the o-rings and gaskets.  The reassembly is greatly enhanced with the specially designed Liqui-Cel changeout tools; especially the insertion tools. Please contact SnowPure for a quotation and for the Liqui-Cel “Assembly & Disassembly” procedure for that specific contactor.It should be noted that 3M does not offer a certificate of conformance for field-installed cartridges.