Refurbished Water Filtration & Softeners — 58 Deals

58 open-box and refurbished Water Filtration & Softeners deals are live for shoppers in Canada right now, with discounts averaging 33% off retail. Prices range from CA$7 to CA$226, and every listing shows the seller's condition grade, current price, savings versus list price and stock status — so you can compare before you buy. Top brands on sale include Waterdrop, iSpring, Pentek and Aquaboon. Inventory syncs from Amazon and other partner stores throughout the day; open-box stock is usually one-of-a-kind, so the best deals sell out fast.

58 live Canadian listings.

CANADA

Express Water

Adjustable Water Booster Pump – Reverse Osmosis Water Filtration System Water Pressure Booster Pump – 50 to 100 GPD – Easy Setup Pump Increases RO Filter Speed and Efficiency – Express Water

CA$83⁵⁴

Aquaboon Whole House 5 Micron 10 x 2.5 String Wound Sediment Water Filter Cartridge Replacement Compatible with Well Water Filter WHKF-WHSW, 50-Pack

CA$76⁶⁵

AquaPure 5529902 Whole House Water Filter

CA$86³⁰

Waterdrop TSB 8 Layer High Capacity Under Sink Water Filter, Reduces PFAS, PFOA/PFOS, Fluoride, Chlorine, Bad Taste & Odor, with Dedicated Faucet, NSF/ANSI 42 Certified Element, USA Tech

CA$104⁹⁹

iSpring F4-CUA4 Replacement Pack for 4-Stage Ultra Filtration System CU-A4, Sediment, UF, KDF, and Activated Carbon Filter, 4pcs, White

CA$45⁷⁰

PUREPLUS 4.5"x 20" 3-Stage Whole House Water Filter Cartridge Combo Kit with Sediment, KDF & Granular Activated Carbon, and Activated Carbon Block Filter - 5 Micron Water Filtration Replacement Kit

CA$121²⁸

Pentair Pentek RFC-BB Big Blue Carbon Water Filter, 10-Inch, Whole House Heavy Duty Radial Flow Carbon Replacement Cartridge with Granular Activated (GAC), 10" x 4.5", 25 Micron, Pack of 2

CA$60¹⁹

CA$17⁷⁶

APEC Water Systems FILTER-MAX-ES50 50 GPD Essence 5 Stage High Capacity Filter Set

CA$59⁰⁵

Home Master CsetBB2SmgCC Whole House Replacement Filter Set, 4-Layer Sediment 25 to 1 Micron, Heavy Duty Up-Flow KDF85 Catalytic Carbon, 2 orings & Grease

CA$211¹⁷

Frizzlife Replacement Filter Cartridge For TAM3, With FZ-4 Cartridge Inside, For PD600-TAM3 Osmanic System & TAM3 Alkaline Filter

CA$9¹⁵

VEVOR Reverse Osmosis System, 800 GPD 11-Stage Reverse Osmosis Water Filter Replacement, RO Filter Cartridge for 24 Months, Reduces Lead & Chlorine, Compatible with SS-005 Under Sink Water Filter

CA$23²⁵

100186 Water Filter Replacement Cartridge Compatible with Amway espring,3-in-1 Filter, Natural activated carbon Filtration

CA$97⁴³

20" 1 Stage Whole House Water Filter System 1" Ports Double O Ring Clear Filter Housing + Gauge w/ 5-Micron Polypropylene Sediment Water Filter Good for RV

CA$85²⁷

Vitapur Filter Replacement Kit for PUN2FS

CA$8⁶⁶

Home Master Whole House 4-Layer Sediment 25 Down to 1 Micron, Radial Flow GAC Carbon, 2 orings & Grease, 20gpm, Replacement Filter Set CsetBB2SmgC 20x4.5

CA$153⁹¹

Express Water RO5DX Reverse Osmosis Filtration NSF Certified 5 Stage RO System with Faucet and Tank – Under Sink Water Plus 4 Filters – 50 GPD, 14 x 15 x 5, White

CA$225⁹⁹

Amazon Basics Replacement Filter Cartridge for Under Sink Water Filter, NSF/ANSI 42 & 372 Certified, Service Life 1 Year, 11,000 Gallons, White

CA$9⁴⁸

Max Water 5 Stage Reverse Osmosis Replacement Filter Set - 6 Month Supply - 10 inch Standard Size Water Filters - Sediment, GAC, CTO & 50 GPD RO Membrane

CA$62⁷⁶

EcoPure EPWPFF Under Sink Water Filtration System, White

CA$74¹³

KRAUS Oletto Single Handle Drinking Water Filter Faucet for Water Filtration System in Spot-Free Stainless Steel, FF-103SFS

CA$104⁵⁰

Watts Premier 560018 50 GPD Membrane

CA$25⁷³

Vitapur VGPF3-C 3-Pack Replacement Filters Water Filtration, One Size, White

CA$12⁴⁶

TOKIT RO Replacement Filter for T1 SE, NSF/ANSI 58 Certified, Reduce TDS, Replacement for T1 SE Reverse Osmosis System Water Filter, 12-Month Lifetime

CA$174⁷⁹

Water Filtration & Softeners open-box FAQ

How much can I save on open-box Water Filtration & Softeners?

Discounts on Water Filtration & Softeners at OpenBoxFox currently average 33% off retail across 58 live listings, with prices from CA$7 to CA$226. Savings are measured against the manufacturer's list price.

Are open-box and refurbished Water Filtration & Softeners safe to buy?

Yes — every listing shows the seller's condition grade (from open-box "Like New" to certified refurbished) before you buy. You purchase directly from the seller, such as Amazon, and that seller's standard return policy applies to your order.

Which Water Filtration & Softeners brands are on sale open-box right now?

The most-listed brands in Water Filtration & Softeners at the moment are Waterdrop, iSpring, Pentek, Aquaboon and BRITA. New open-box inventory arrives daily, so brand availability changes often.

How often are Water Filtration & Softeners deals updated?

OpenBoxFox syncs Water Filtration & Softeners inventory from partner stores throughout the day. Sold-out listings are removed automatically and new deals appear shortly after we find them.