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Water Filtration & Softeners - 81 - Blowout Sale! Save up to 74%


Blowout Sale! Up to 74% off on Water Filtration & Softeners at Knights Of Labor. Top brands include Culligan, Kenmore, CFS, Fortress Filtration, AFWFilters, Ronaqua, Express Water, iSpring, Aquaboon, Hydrofarm, Kaleidoscope, Geekpure, PureWater Site, CO-Z, American Plumber, & HydroLogic. Hurry! Limited time offers. Offers valid only while supplies last.



Culligan P5A P5 Whole House Premium Water Filter, 8,000 Gallons
Culligan P5A P5 Whole House Premium Water Filter, 8,000 Gallons
By Culligan
In Stock
$15.34
$3.98
You Save: 74%

mpn: 01019128, ean: 0885173268866,

4.8 out of 5 stars with 27 reviews
The P5 Premium Whole House filter for reduction of extra fine sediment tp provide visibly clearer water that helps protect your appliances and keeps your faucets flowing freely.Reduces: sediment, rust, scale, dirt, coarse sand, sand, fine sand, extra...


Kenmore 0521829 Water Softener Flow Plug Genuine Original Equipment Manufacturer (OEM) Part for Kenmore, Waterworks, Whirlpool, Black
Kenmore 0521829 Water Softener Flow Plug Genuine Original Equipment Manufacturer (OEM) Part for Kenmore, Waterworks, Whirlpool, Black
By Kenmore
In Stock
$17.95
$13.00
You Save: 28%

mpn: 0521829,

4.6 out of 5 stars with 9 reviews
Genuine Original Equipment Manufacturer (OEM) parts! This manufacturer-approved flow plug (part number 0521829) is for water softeners. Flow plug 0521829 regulates the flow of water through the nozzle and venturi assembly. Wear work gloves to protect...


Culligan D-30A comptible Advanced Drinking Water Filtration Replacement Cartridge, 1,000 Gallons by CFS
Culligan D-30A comptible Advanced Drinking Water Filtration Replacement Cartridge, 1,000 Gallons by CFS
By CFS
In Stock
$11.95

mpn: CFS-807, ean: 0045399054906,

Culligan D-30A comptible Advanced Drinking Water Filtration Replacement Cartridge, 1,000 Gallons by CFS Advanced drinking water cartridge provides 12 months/ 1,000 gallons of refreshing drinking water by reducing chlorine, particulates and bad taste....


Fortress Filtration Triple Stage 10'' x 2.5'' Water Filter Housing w/filters 3/4 1 inch/wrench/bracket
Fortress Filtration Triple Stage 10" x 2.5" Water Filter Housing w/filters 3/4 1 inch/wrench/bracket
By Fortress Filtration
In Stock
$58.95

ean: 0728028273854,

Buy this premium 3 Stage Fortress Filter Housing and get big savings! This Fortress Filtration filter housing is designed to protect you and your family when you need it most! These filter housings are designed to use readily available standard filte...


Double Canister Bracket for 2 Stage Big Blue Systems
Double Canister Bracket for 2 Stage Big Blue Systems
By AFWFilters
In Stock
$38.00
$24.62
You Save: 35%

mpn: B00CYLWEXO, ean: 0783583353786,

4.4 out of 5 stars with 38 reviews
The double canister big blue bracket is a heavy duty steel bracket that has a white powder-coated finish for a durable, long lasting product. The bracket is designed to be used with both the 10" and 20" Big Blue housings and features slots to allow f...


Reusable Whole House Spin Down Pre-Filter to Remove Sediment, Rust, Sand from the Water, 40 Micron, ¾ or 1 Inch Inlet/Outlet, by Ronaqua (Brass Head)
Reusable Whole House Spin Down Pre-Filter to Remove Sediment, Rust, Sand from the Water, 40 Micron, ¾ or 1 Inch Inlet/Outlet, by Ronaqua (Brass Head)
By Ronaqua
In Stock
$44.49

mpn: RA-PRF,

Whole House Spin Down Pre-Filter installed generally right after the water meter to remove sediment, rust, sand and all other Impurities from tap and well water. This filter is the first line of defense to your appliances (water heaters, water filter...


Express Water – 1 Year Reverse Osmosis System Replacement Filter Set – 8 Filters with 100 GPD RO Membrane, Carbon (GAC, ACB, PAC) Filters, Sediment (SED) Filters – 10 inch Size Water Filters
Express Water – 1 Year Reverse Osmosis System Replacement Filter Set – 8 Filters with 100 GPD RO Membrane, Carbon (GAC, ACB, PAC) Filters, Sediment (SED) Filters – 10 inch Size Water Filters
By Express Water
In Stock
$79.99

mpn: FLTSET0810Q-, ean: 0641990966350,

Make the purest drinking water with your own home system. Great in the kitchen: Improve the taste of your cooking, coffee, ice, and drinks. Experience true Reverse Osmosis purification. Safe filtered fresh tasting H2O: Removes up to 99.99% of contami...


iSpring ABV1KX5 ABV1K Inline Ball Valve with Quick Fitting 1/4'' to 1/4'' fits most RO Water Systems, White
iSpring ABV1KX5 ABV1K Inline Ball Valve with Quick Fitting 1/4" to 1/4" fits most RO Water Systems, White
By iSpring
In Stock
$15.99
$10.99
You Save: 31%

mpn: ABV1KX5, ean: 0662425080151,

4.2 out of 5 stars with 35 reviews
For tube sizes 1/4 inch O.D. Works with copper, cvpc, and PEX pipe permanent leak proof connection easy to install with no tool is required. Why ispringlocated in Alpharetta, Georgia for over a decade, iSpring water systems LLC is a family owned comp...


Aquaboon Universal 10'' Valve-in-Head Whole House Water Filtration System, Includes Coconut Shell Carbon Filter Cartridge (3/4” Inlet/Outlet Brass Port)
Aquaboon Universal 10" Valve-in-Head Whole House Water Filtration System, Includes Coconut Shell Carbon Filter Cartridge (3/4” Inlet/Outlet Brass Port)
By Aquaboon
In Stock
$19.99

mpn: AB-TH-1C5M, ean: 0817905022965,

THIS FILTRATION SYSTEM INCLUDES: 1 OF 10" TRANSPARENT FILTER HOUSING 10" Clear Standard Transparent Whole House Water Filter System with pressure relief button. 3/4" inlet/outlet brass port. Wrench and bracket are included. Our housings are used in ...


Hydrofarm Active Aqua Carbon Block Filter, 10''
Hydrofarm Active Aqua Carbon Block Filter, 10"
By Hydrofarm
In Stock
$20.84
$19.05
You Save: 9%

mpn: AARO610, ean: 0638104005517,

4.1 out of 5 stars with 12 reviews
Even a small amount of chlorine can destroy your RO membrane. This carbon block filter removes chlorine before it can do any damage. Rated for approx. 3,750 gallons of water at 2 ppm chlorine. Great for removal of VOCs (volatile organic compounds), h...


8-Pack Replacement PurePro G-107MR Polypropylene Sediment Filter - Universal 10-inch 5-Micron Cartridge for PurePro G-Series 7 Stage RO System by CFS
8-Pack Replacement PurePro G-107MR Polypropylene Sediment Filter - Universal 10-inch 5-Micron Cartridge for PurePro G-Series 7 Stage RO System by CFS
By CFS
In Stock
$25.25

mpn: CFS8pk,

8-Pack Compatible Replacement PurePro G-107MR Polypropylene Sediment Filter - Universal 10-inch 5-Micron Cartridge for PurePro G-Series 7 Stage RO System8-Pack Replacement PurePro G-107MR Polypropylene Sediment Filter - Universal 10-inch 5-Micron Car...


Compatible to American Plumber W5CIP Undersink Filter Replacement Cartridges (2-Pack)
Compatible to American Plumber W5CIP Undersink Filter Replacement Cartridges (2-Pack)
By CFS
In Stock
$19.95

mpn: CFS-73,

Compatible to American Plumber W5CIP Undersink Filter Replacement Cartridges (2-Pack) Economical dual-purpose filtration Carbon-Impregnated Cellulose cartridge with high dirt-holding capacity works best for municipal wateCompatible to American Plumbe...


Faucet Water Filter, 8 Stage Water Filtration Faucet Mount, 7 Different Kinds of Interfaces, Suitable for Most Faucets, Easy to Install, 0.46gal/min/100kpa Large Filtration Discharge System
Faucet Water Filter, 8 Stage Water Filtration Faucet Mount, 7 Different Kinds of Interfaces, Suitable for Most Faucets, Easy to Install, 0.46gal/min/100kpa Large Filtration Discharge System
By Kaleidoscope
In Stock
$60.99
$39.99
You Save: 34%

mpn: unknown, ean: 0783761322993,

4.2 out of 5 stars with 23 reviews
Faucet water filter, the accuracy of filtration is up to 0.1 um. Do not use electricity.Deep sea diatom ceramic filter element, food grade ABS plastic material fuselage, harmless and durable.❗❗❗ The filter element must be cleaned or replaced in...


Geekpure 20-Inch Big Blue Water Filter Housing 1-Inch Outlet/Inlet with Wrench and Bracket and Filter Cartridges (Clear Housing)
Geekpure 20-Inch Big Blue Water Filter Housing 1-Inch Outlet/Inlet with Wrench and Bracket and Filter Cartridges (Clear Housing)
By Geekpure
In Stock
$189.99
$129.99
You Save: 32%

mpn: BB-20T, ean: 0680577668799,

4.8 out of 5 stars with 49 reviews
Specification: Maximum Pressure: 90 psi (6.2 bar) Temperature:40-110°F/5-45°C Shelf life: 5 Years More valuable information: ✪What is dimension of the big blue housing? It is 4.5"OD x 20" height . ✪What is in the box? 1x20inch big blue hou...


Aquaboon Universal 10'' Valve-in-Head Whole House Water Filtration System, Includes Sediment Filter Cartridge (3/4” Inlet/Outlet Brass Port)
Aquaboon Universal 10" Valve-in-Head Whole House Water Filtration System, Includes Sediment Filter Cartridge (3/4” Inlet/Outlet Brass Port)
By Aquaboon
In Stock
$19.99

mpn: AB-TH-1S5M, ean: 0817905022958,

THIS FILTRATION SYSTEM INCLUDES: 1 OF 10" TRANSPARENT FILTER HOUSING 10" Clear Standard Transparent Whole House Water Filter System with pressure relief button. 3/4" inlet/outlet brass port. Wrench and bracket are included. Our housings are used in ...


2.5'' x 10'' Refillable Inline Filter - Catalytic Carbon for Chloramine and Chlorine Removal + KDF 85 for Iron, Sulfur, Rotten Egg Smell Reduction
2.5" x 10" Refillable Inline Filter - Catalytic Carbon for Chloramine and Chlorine Removal + KDF 85 for Iron, Sulfur, Rotten Egg Smell Reduction
By PureWater Site
In Stock
$30.98

mpn: 2510-inline-gacs-kdf85, ean: 0726670570673,

This 2.5" x 10" premium Spartan carbon + 6 oz. KDF 85 refillable inline filter uses high grade filtration media for chlorine, taste, and odor treatment. This mix of premium Spartan carbon and KDF 85 is most often used for chloramine/chlorine removal,...


iSpring PMP5 Booster Pump for 75GPD Reverse Osmosis Water Filters
iSpring PMP5 Booster Pump for 75GPD Reverse Osmosis Water Filters
By iSpring
In Stock
$79.99

mpn: PMP5, ean: 0662425081059,

Using booster pump for reverse osmosis systems will increase your system input pressure then will increase the water production & purity as well. Compatible with most reverse osmosis systems (including brand names) and under-counter filters in the ma...


CO-Z UV Whole House Water Filter Ultraviolet Light Water Purifier UV Sterilizer (6W UV Water Purifier with 2 UV Tubes)
CO-Z UV Whole House Water Filter Ultraviolet Light Water Purifier UV Sterilizer (6W UV Water Purifier with 2 UV Tubes)
By CO-Z
In Stock
$99.99
$79.99
You Save: 20%

mpn: UVW6WUVUS,

4.5 out of 5 stars with 45 reviews
Description: Are you worried about contaminants in your drinking water? Are you looking to find nourishing, regenerating, life-giving water for you and your family? If so, our water purifier is the ultimate alternative to bottled water, delivering u...


Water Filter Taste And Odor Cartridges 4.82'' W5CIP478 Taste/Odor/Sedi Pr
Water Filter Taste And Odor Cartridges 4.82" W5CIP478 Taste/Odor/Sedi Pr
By American Plumber
In Stock
$17.24
$8.69
You Save: 50%

mpn: AMERICAN-PLUMBER-W5CIP478, ean: 0051678022528,

4.3 out of 5 stars with 45 reviews
For cold water applications from 40 F to 125 F. Reduces taste of chlorine and other foul tastes and odors. Cartidges with a Celluose Matrix also remove fine sand, silt, scale and rust particles. Should be replaced 3 to 4 times a year, depending on wa...


HydroLogic 24017 Triton Double Ended Filtration System Housing Wrench
HydroLogic 24017 Triton Double Ended Filtration System Housing Wrench
By HydroLogic
In Stock
$10.16
$10.15

mpn: HYDROLOGIC-24017, ean: 0812111012526,

The Triton 24017 Double Ended Filter Wrench has a section for opening Standard Filter housings, while the other end can be used for opening the Membrane housings on the Triton Reverse Osmosis systems. This product should only be used for loosening th...



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