Geekpure 2-Stage Whole-House Water Filter (20" Blue Housings) — PP Sediment + Carbon Block, One Unit for Every Tap! $227.98 CAD (26% Off)

Amazon.ca has the Geekpure 2-stage whole-house water filter system (20-inch blue housings, PP sediment + carbon block) for $227.98 CAD, down from $309.99 — roughly 26% off. Prime members ship free; otherwise orders over $35 do.

It goes on your main water line, so every faucet and every water-using appliance in the house gets filtered: stage one is a 5-micron PP sediment cartridge that catches silt, rust and suspended grit, stage two is a carbon block that pulls chlorine, taste and odours. The cartridges are standard 4.5 x 20 inch, so replacements aren't brand-locked — any same-size cartridge fits, which is the main advantage over sealed one-piece units.

Specs: 1-inch NPT brass ports, 5–15 GPM depending on feed pressure, cartridge life 6–12 months or 100,000 gallons, housings rated to 90 psi, NSF-standard sizing for high-flow use. Two stages is plenty for a family of three or four on municipal water; add stages if you're on a well or your water runs dirty in spring.

Two practical notes. First, the kit does not include the 1-inch brass nipple that joins the two housings — you'll need one from a hardware store, and buyers mention it. Second, skip the 3/4-inch version of this same housing: a five-star reviewer points out those ports are threaded straight into plastic rather than brass inserts and won't seal, while the 1-inch version uses real NPT threads in brass and stays dry with tape or dope.

Installation is a couple of hours if it's your first time — lube the O-rings with silicone grease, hand-tighten then snug with the supplied wrench, and there's a YouTube walkthrough for this exact unit. If your incoming pressure can exceed 80 psi, put a regulator ahead of it. Don't skip that.

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