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Filtration - 7 - Mega Sale! Save up to 24%


Mega Sale! Up to 24% off on Filtration at In The National Interest. Top brands include Alen, Air Injection by Abundant Flow Water, Watts Premier, Home Master, Elkay, Hot Springs, HydroLogic, Mini Classic, Air Water Life, iSpring, Air Injection, Aquasana, NATIONAL-FILTERS, & National Scientific. Hurry! Limited time offers. Offers valid only while supplies last.



Alen BreatheSmart FIT50 Customizable Air Purifier with HEPA-Silver Filter to Remove Allergies, Mold & Bacteria (White, Silver, 1-Pack)
Alen BreatheSmart FIT50 Customizable Air Purifier with HEPA-Silver Filter to Remove Allergies, Mold & Bacteria (White, Silver, 1-Pack)
By Alen
In Stock
$514.00

mpn: Fit50-Silver, ean: 0810587021882,

AIR PURIFIERS FOR MOLD AND BACTERIALive your best with the best-in-class performance of the Alen BreatheSmart FIT50 Customizable Air Purifier with HEPA-Silver Filter to Remove Allergies, Mold & Bacteria for cleaner, breathable air throughout the home...


High Flow Air Injection Iron, Sulfur, and manganese Removal Oxidizing Water Filter For Whole House, AI25 2510SXT
High Flow Air Injection Iron, Sulfur, and manganese Removal Oxidizing Water Filter For Whole House, AI25 2510SXT
In Stock
$975.00
$854.25
You Save: 12%

mpn: IF-AIP15-25SXT, ean: 0755918587036,

4.8 out of 5 stars with 41 reviews
A patented oxidizing system to remove highest levels of iron and sulfur. No chemicals, simple to use, rated best iron filter 8 years in a row. Iron is a common problem in homes today. It causes red staining on fixtures. High flow unit for larger home...


OneFlow + Salt-Free Scale Prevention and Water Filtration System
OneFlow + Salt-Free Scale Prevention and Water Filtration System
In Stock
$591.23
$588.89

mpn: OFPSYS, ean: 0098268085082,

This system is designed to reduce scale, sediment, other chemicals, chlorine taste and odors providing great tasting water at every tap in a home. It has a compact design with 1 inch NPT inlet and outlet connections, allows for easy installation and ...


Home Master TMHP-L Hydroperfection Loaded Undersink Reverse Osmosis Water Filter System
Home Master TMHP-L Hydroperfection Loaded Undersink Reverse Osmosis Water Filter System
In Stock
$592.95

mpn: TMHP-L, ean: 0852669004345,

Adds Luxury Standard Brushed Nickel RO Faucet, Refrigerator Connection Kit, and Dow Filmtec 75 GPD high hardness RO membrane to the Home Master HydroPerfection Reverse Osmosis System. This Loaded Version provides additional solutions. Drought affecte...


Elkay 51300C_12pk Watersentry Plus Replacement Filters (12) (Bottle Fillers)
Elkay 51300C_12pk Watersentry Plus Replacement Filters (12) (Bottle Fillers)
In Stock
$658.07

mpn: 51300C_12pk, ean: 0094902766003,

Multi-pack replacement filters for models with watersentry® plus filtration system (bottle fillers). certified to nsf/ansi 42 and 53 to reduce lead, class 1 particulate, chlorine, taste and odor. Rated to 3000 gallon capacity.Capacity: 3000 gallons,...


Ace Cell Hot Tub 76078 Cell Replacement for Hot Spring Ace System
Ace Cell Hot Tub 76078 Cell Replacement for Hot Spring Ace System
In Stock
$719.36

mpn: 76078, ean: 0682821174094,

Ace Salt Water Sanitizing System Replacement Cell...


Hydro Logic 31023 1000 GPD Evolution RO1000 High Flow RO system
Hydro Logic 31023 1000 GPD Evolution RO1000 High Flow RO system
In Stock
$557.57
$496.12
You Save: 11%

mpn: 31023, ean: 0163120790623,

4.9 out of 5 stars with 59 reviews
High flow reverse osmosis system. 1,000 gallons per day. Highest flow rates and most efficient reverse osmosis system in the industry. 2:1 waste to purified water ratio.Highest flow rates and most efficient reverse osmosis system in the industry. 2:1...


Pure Water Mini-Classic CT Counter Top Distiller
Pure Water Mini-Classic CT Counter Top Distiller
In Stock
$599.00

mpn: 6998, ean: 0021078933113,

"The Pure Water Mini-Classic CT is a compact, countertop steam water distiller that produces high-purity distilled water from virtually any fresh water source. This appliance does not require installation and is perfect for small families, apartment ...


Home Master HMF3SDGFEC Whole House 3-Stage Water Filter with Fine Sediment, Iron, and Carbon
Home Master HMF3SDGFEC Whole House 3-Stage Water Filter with Fine Sediment, Iron, and Carbon
In Stock
$599.95
$534.60
You Save: 11%

mpn: HMF3SdgFeC, ean: 0013964613506,

4.5 out of 5 stars with 57 reviews
Great for well water with Iron, Manganese, and Sulfur problems up to 3 ppm combined contaminant load. Have your well water analysis before buying. Fully Assembled Home Master 3-stage whole house filter treats: sediment, turbidity, iron, manganese, su...


Air Water Life Aqua Ionizer Deluxe 7.0 | Best Home Alkaline Water Filtration System | Produces pH 4.5-11.0 Alkaline Water | Up to -800mV ORP | 4000 Liters Per Filter | 7 Water Settings
Air Water Life Aqua Ionizer Deluxe 7.0 | Best Home Alkaline Water Filtration System | Produces pH 4.5-11.0 Alkaline Water | Up to -800mV ORP | 4000 Liters Per Filter | 7 Water Settings
In Stock
$1,575.06
$1,195.00
You Save: 24%

mpn: AWL-7000, ean: 0731598241826,

4.1 out of 5 stars with 26 reviews
Water Ionizers from Air Water Life, like the Aqua-Ionizer Deluxe 7.0, use advanced technologies to allow you to filter and custom vary the pH balance of your tap water. Discover the amazing health benefits of clean, pure ionized water! The unit match...


iSpring RCS5T 500 GPD Commercial Grade Tankless Reverse Osmosis Water Filter System w/ 1:1 Drain Ratio
iSpring RCS5T 500 GPD Commercial Grade Tankless Reverse Osmosis Water Filter System w/ 1:1 Drain Ratio
In Stock
$511.96

mpn: RCS5T, ean: 0662425070244,

The iSpring RCS5T is a high capacity, commercial grade tankless reverse osmosis purification system. The RCS5T's patented Dual-Flow membrane produces RO water at a rate of 500 gallons per day while delivering a top-of-the-line 1:1 waste to pure water...


Air Injection Iron, Sulfur, and manganese Removal Oxidizing Water Filter For Whole House, AI25 2510SXT
Air Injection Iron, Sulfur, and manganese Removal Oxidizing Water Filter For Whole House, AI25 2510SXT
In Stock
$618.58

mpn: AI25 2510SXT, ean: 0729440633011,

Upgraded to our better Platinum system using Filox media. Make sure your system arrives with Filox. Iron, sulfur, manganese all cause staining and odor issues. All of these problems can be eliminated with our Air Injection System. Using the principle...


Aquasana 10-Year, 1,000,000 Gallon Whole House Water Filter with Professional Installation Kit
Aquasana 10-Year, 1,000,000 Gallon Whole House Water Filter with Professional Installation Kit
In Stock
$829.00
$651.59
You Save: 21%

mpn: EQ-1000-AMZN, ean: 0816749010558,

4.9 out of 5 stars with 43 reviews
Clean Water for Your Whole House without Chemicals or Salt Get clean, great-tasting water from every tap in your home by removing 97% of chlorine in regular tap water. Also reduces other harmful contaminants including: Heavy metals like lead and merc...


NATIONAL-FILTERS MN-184093 Direct interchange for NATIONAL-FILTERS-184093, Stainless Steel
In Stock
$384.30

mpn: MN-184093,

The product in made in United States and manufactured by millennium-filters. Specifications: nominal Length: 10.0", 125-micron, 304 stainless steel wire mesh media, 3045 psi high Collapse pressure.Nominal length: 10.0-Inch. 125-Micron. Manufactured i...


NATIONAL-FILTERS MN-185516 Direct interchange for NATIONAL-FILTERS-185516, Pleated Micro glass Media
In Stock
$313.26
$311.92

mpn: MN-185516,

The product in made in United States and manufactured by millennium-filters. Specifications: nominal Length: 14.0", 3-micron, pleated micro glass media, 3045 psi high Collapse pressure.Nominal length: 14.0-Inch. 3-Micron. Manufactured in united state...


NATIONAL-FILTERS MN-185523 Direct interchange for NATIONAL-FILTERS-185523, Pleated Micro glass Media
In Stock
$146.07
$145.42

mpn: MN-185523,

The product in made in United States and manufactured by millennium-filters. Specifications: nominal Length: 14.0", 20-micron, pleated micro glass media, Viton seals.Nominal length: 14.0-Inch. 20-Micron. Manufactured in united states. Viton seals. ...


NATIONAL-FILTERS MN-141185208149SS Direct interchange for NATIONAL-FILTERS-141185208149SS, Stainless Steel
In Stock
$104.20
$103.72

mpn: MN-141185208149SS,

The product in made in United States and manufactured by millennium-filters. Specifications: nominal Length: 7.0", 149-micron, 304 stainless steel wire mesh media, Viton seals.Nominal length: 7.0-Inch. 149-Micron. Manufactured in united states. Viton...


NATIONAL-FILTERS MN-184098 Direct interchange for NATIONAL-FILTERS-184098, Stainless Steel
In Stock
$310.66
$308.36

mpn: MN-184098,

The product in made in United States and manufactured by millennium-filters. Specifications: nominal Length: 10.0", 250-micron, 304SS stainless steel wire mesh media, 3045 psi high Collapse pressure.Nominal length: 10.0-Inch. 250-Micron. Manufactured...


NATIONAL-FILTERS MN-18521274SS Direct interchange for NATIONAL-FILTERS-18521274SS, Stainless Steel
In Stock
$275.74
$272.55
You Save: 1%

mpn: MN-18521274SS,

The product in made in United States and manufactured by millennium-filters. Specifications: nominal Length: 14.0", 50-micron, 304SS stainless steel wire mesh media, Viton seals.Nominal length: 14.0-Inch. 50-Micron. Manufactured in united states. Vit...


National Scientific CA Syringe Filter, 0.45µm Pore Size, 30mm Outside Diameter (Case of 100)
National Scientific CA Syringe Filter, 0.45µm Pore Size, 30mm Outside Diameter (Case of 100)
In Stock
$213.19

mpn: F2500-15,

The polypropylene housings with all Target syringe filters are solvent resistant and exhibit low extractables. Ideal for filtering chromatography solvents and samples when combined with low extractable Nylon, Regenerated Cellulose or PTFE membranes. ...



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