Geekpure 5-Stage RO Replacement Filter Set — Full-Year Supply with 75 GPD Membrane! $59.83 CAD (25% Off)

Amazon.ca currently has the Geekpure 5-Stage Reverse Osmosis Replacement Filter Set for $59.83 CAD (list price $79.99, 25% off). Prime members get free shipping, and non-Prime orders over $35 ship free.

If your under-sink RO system is due for a filter change, this five-piece set covers a full year of consumables in one box: PP sediment filter, granular activated carbon, carbon block, a 75 GPD RO membrane, and a post inline coconut carbon filter. It's the complete five-stage lineup, no piecing together individual cartridges.

These are standard 10-inch cartridges that fit most mainstream systems — iSpring, Watts, APEC, Premier and more. If you're unsure, measure your existing filter: 10 inches tall means it fits.

The RO membrane is the workhorse, with 0.0001-micron filtration that rejects up to 99% of contaminants including arsenic, lead, fluoride and heavy metals. Pre-filters typically last 6–12 months and the membrane 15–24 months, so one box basically covers your annual filter budget.

Geekpure is an ISO9001-certified manufacturer and WQA (Water Quality Association) member, and each cartridge is individually vacuum-sealed to preserve shelf life. Rated 4.4 stars from 1,200+ reviews and ranked in the top 20 replacement water filters — the track record is solid.

The set also includes two 1/4" quick fittings and a roll of Teflon seal tape, so you won't need an extra trip to the hardware store.

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