Geekpure 5-Stage RO Replacement Filter Set — NSF-Certified 50 GPD Membrane! $56.98 CAD (25% Off)

Amazon.ca currently has the Geekpure 5-Stage Reverse Osmosis replacement filter set (with a 50 GPD RO membrane) for $56.98 CAD (list price $75.99, 25% off). Prime members get free shipping; non-Prime orders ship free over $35.

If you run a reverse-osmosis system at home, the filter change is the one job that's easy to forget. This Geekpure set uses the standard 10-inch size and bundles all five stages—PP sediment, granular activated carbon, carbon block, the RO membrane, and a post coconut-carbon filter—so it drops into most 5- or 6-stage undersink systems without fuss.

The membrane is NSF-certified and reduces dissolved minerals, arsenic, lead, mercury, and fluoride; flush the new membrane for 30 minutes before use. The first three stages typically last 6-12 months, while the membrane runs 15-24 months depending on your water quality and usage.

The box also includes two 1/4-inch quick fittings and a roll of Teflon seal tape, so it's a straightforward DIY swap. Replacing the whole set for $56.98 is cheaper than buying each cartridge separately.

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