MSR MiniWorks EX Water Filter. Not needed as we dont camp anymore. $169.95 + tax new, $80 obo.
https://www.mec.ca/en/product/5001-239/miniworks-ex-water-filter?gclid=EAIaIQobChMI2K2louqcgwMVvFtHAR2bdQkMEAQYASABEgIkB_D_BwE&colour=NO_COLOUR&gad_source=1