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Pentek - Blowout Sale! Save up to 54%


Blowout Sale! Up to 54% off on Pentek products at In The National Interest. Hurry! Limited time offers. Offers valid only while supplies last.



Pentek 155101-43 R30-Bb 9-3/4'' 30mic Hd Pleated Filter Cartridges
Pentek 155101-43 R30-Bb 9-3/4" 30mic Hd Pleated Filter Cartridges
In Stock
$18.30
$14.59
You Save: 20%

mpn: 155101-43, ean: 0132017517285,

This Pentek R30-BB pleated polyester filter cartridge reduces sand, dirt, silt, rust, and scale particles in residential and commercial water. It has a nominal filtration rating of 30 microns at an efficiency of 85%. The filter is made of resin-impre...


Pentek ECP1-BB Pleated Cellulose Polyester Filter Cartridge, 9-3/4'' x 4-1/2'', 1 Micron
Pentek ECP1-BB Pleated Cellulose Polyester Filter Cartridge, 9-3/4" x 4-1/2", 1 Micron
In Stock
$24.51
$11.44
You Save: 53%

mpn: 255489-43, ean: 0807032972554,

This Pentek ECP5-BB pleated cellulose polyester filter cartridge reduces sand, dirt, silt, rust, and scale particles in residential and commercial water. It has a nominal filtration rating of 1 micron at an efficiency of 85%. The filter is made of re...


Pentek 160168 BBFS-222 1'' #20 Big Blue Three-Housing Filter System
Pentek 160168 BBFS-222 1" #20 Big Blue Three-Housing Filter System
In Stock
$219.73
$170.67
You Save: 22%

mpn: 160168, ean: 0808112759546,

This Pentek 160168 BBFS-222 1" #20 Big Blue three-housing filter system is suitable for residential, commercial, and industrial applications. It consists of three polypropylene housings mounted in series on a white powder-coated carbon steel wall-mou...


Pentek 160166/BBFS-22 1'' Two Big Blue Housing System
Pentek 160166/BBFS-22 1" Two Big Blue Housing System
In Stock
$229.79
$124.65
You Save: 46%

mpn: 160166, ean: 0054568589668,

Pentek 160166/BBFS-22 1" Two Big Blue Housing SystemWell-suited for residential, commercial and industrial water filter applications. Heavy duty polypropylene. Structural integrity NSF/ANSI Standard 42 tested and certified. Shipped completely pre-ass...


Pentek 143549 Differential Pressure Gauge
Pentek 143549 Differential Pressure Gauge
In Stock
$56.58

mpn: 143549, ean: 0051678500651,

This Pentek 143549 Differential Pressure Gauge indicates when a filter cartridge should be replaced. It has a simple three-color display and needle indicator to show when a cartridge is clean, in need of replacement, or dirty, and it attaches to the ...


Pentek S1 20 Micron Standard 10 x 2.5 Inch Pleated Sediment Water Filter 12 Pack
Pentek S1 20 Micron Standard 10 x 2.5 Inch Pleated Sediment Water Filter 12 Pack
In Stock
$58.95

mpn: S1_12_PACK, ean: 0635510411017,

Made from pleated cellulose, the 12-pack of S1 Pentek whole house water filter cartridges is an affordably priced way to keep virtually all sediment and dirt particles 20 micron or larger out of your water. A genuine OE part, these filters are constr...


Pentek EPM-20 Carbon Block Filter Cartridge, 20'' x 2-7/8'', 10 Microns
Pentek EPM-20 Carbon Block Filter Cartridge, 20" x 2-7/8", 10 Microns
In Stock
$26.66
$12.19
You Save: 54%

mpn: 155635-43, ean: 0851905131005,

This Pentek EPM-20 carbon block filter cartridge reduces fine sediment and chlorine taste and odor in residential and commercial drinking water. It has a nominal (85%) filtration rating of 10 microns. The filter will reduce free available chlorine (F...


Pentek NCP-20BB Pleated Carbon-Impregnated Polyester Filter Cartridge, 20'' x 4-1/2'', 10 Microns
Pentek NCP-20BB Pleated Carbon-Impregnated Polyester Filter Cartridge, 20" x 4-1/2", 10 Microns
In Stock
$51.40
$33.22
You Save: 35%

mpn: 155382-43, ean: 0051678382431,

This Pentek NCP-20 pleated carbon-impregnated polyester filter cartridge reduces sediment and chlorine taste and odor in residential and municipal drinking water. It has a nominal filtration rating of 10 microns at an efficiency of 85%. The filter wi...


Pentek EPM-20BB Carbon Block Filter Cartridge, 20'' x 4-5/8'', 10 Microns
Pentek EPM-20BB Carbon Block Filter Cartridge, 20" x 4-5/8", 10 Microns
In Stock
$29.10

mpn: 155783-43, ean: 0643749295872,

This Pentek EPM-20BB carbon block filter cartridge reduces fine sediment and chlorine taste and odor in residential and commercial drinking water. It has a nominal (85%) filtration rating of 10 microns. The filter will reduce free available chlorine ...


Pentek GAC-20BB Carbon Filter Cartridge, 20'' x 4-1/2''
Pentek GAC-20BB Carbon Filter Cartridge, 20" x 4-1/2"
In Stock
$47.35
$42.99
You Save: 9%

mpn: 155249-43, ean: 0798527520582,

This Pentek GAC-20BB carbon filter cartridge reduces chlorine taste and odor in residential and commercial drinking water. It will reduce free available chlorine (FAC) at 2 parts per million (ppm) by at least 75% in up to 25,000 gallons at a flow rat...


Pentek C1-20 Carbon-Impregnated Cellulose Filter Cartridge, 20'' x 2-1/2'', 5 Micron
Pentek C1-20 Carbon-Impregnated Cellulose Filter Cartridge, 20" x 2-1/2", 5 Micron
In Stock
$20.00
$12.79
You Save: 36%

mpn: 155597-43, ean: 0051678597439,

This Pentek C1-20 carbon-impregnated cellulose filter cartridge reduces fine sediment and chlorine taste and odor in residential drinking water. It has a nominal filtration rating of 5 microns at an efficiency of 85%. The filter will reduce free avai...


TS-101L Pentek Lime/Scale Inline Filter
TS-101L Pentek Lime/Scale Inline Filter
In Stock
$27.70

ean: 7439051165193,

The Pentek TS-101L water filter cartridge features a combination of granular activated coconut carbon with polyphosphate crystals. It is an ideal choice if you need to minimize lime and scale clogging under the sink, or with an icemaker, or with anot...


Pentek ECP20-BB Pleated Cellulose Polyester Filter Cartridge, 9-3/4'' x 4-1/2'', 20 Microns
Pentek ECP20-BB Pleated Cellulose Polyester Filter Cartridge, 9-3/4" x 4-1/2", 20 Microns
In Stock
$25.38
$12.66
You Save: 50%

mpn: 255491-43, ean: 0808112765622,

This Pentek ECP20-BB pleated cellulose polyester filter cartridge reduces sand, dirt, silt, rust, and scale particles in residential and commercial water. It has a nominal filtration rating of 20 microns at an efficiency of 85%. The filter is made of...


Pentek EP-BB Carbon Block Filter Cartridge, 9-3/4'' x 4-5/8'', 5 Microns
Pentek EP-BB Carbon Block Filter Cartridge, 9-3/4" x 4-5/8", 5 Microns
In Stock
$32.32
$27.45
You Save: 15%

mpn: 155548-43, ean: 0115971035736,

This Pentek EPM-BB carbon block filter cartridge reduces fine sediment and chlorine taste and odor in residential and commercial drinking water. It has a nominal (85%) filtration rating of 5 microns. The filter will reduce free available chlorine (FA...


Pentek WP.5BB97P String-Wound Polypropylene Filter Cartridge, 10'' x 4.5'', 0.5 Micron
Pentek WP.5BB97P String-Wound Polypropylene Filter Cartridge, 10" x 4.5", 0.5 Micron
In Stock
$19.96
$13.90
You Save: 30%

mpn: 355212-43, ean: 0798527317908,

This Pentek WP.5BB97P string-wound polypropylene filter cartridge reduces fine sediment, rust, and scale particles for municipal drinking water and industrial fluid applications. It has a nominal filtration rating of 0.5 micron at an efficiency of 85...


Pentek ChlorPlus 10 Carbon Block Filter Cartridge, 10'' x 2-1/2'', 1 Micron
Pentek ChlorPlus 10 Carbon Block Filter Cartridge, 10" x 2-1/2", 1 Micron
SKU: #PENTEK-CHLORPLUS-10
In Stock
$17.48
$16.00
You Save: 8%

sku: PENTEK-CHLORPLUS-10, mpn: 255416-43, ean: 0051678008805,

This Pentek ChlorPlus 10 carbon block filter cartridge reduces chlorine and chloramine in residential and commercial drinking water. It has nominal filtration rating of 1 micron at an efficiency of 85%. The cartridge is made of bonded powdered activa...


Pentek 158110 3/8'' #5 Slim Line Clear Filter Housing
Pentek 158110 3/8" #5 Slim Line Clear Filter Housing
In Stock
$23.34
$11.56
You Save: 50%

mpn: 158110, ean: 0808112758471,

This Pentek 158110 3/8" #5 Slim Line clear filter housing is suitable for low-flow applications that have space restrictions. The sump is made of clear styrene-acrylonitrile (SAN) for on-site viewing of flow and cartridge condition, and the cap is ma...


Pentek 153128 #10 Standard Clear Sump
Pentek 153128 #10 Standard Clear Sump
In Stock
$26.79
$23.99
You Save: 10%

mpn: 153128-06, ean: 0799932589737,

This Pentek 153128 #10 clear housing sump fits caps for Pentek #10 Standard clear filter housings with any inlet and outlet size, and same size caps made by several other manufacturers. It is made of clear styrene-acrylonitrile (SAN) for on-site view...


Pentek 158116 1/4#10 Slim Line Clear Filter Housing
Pentek 158116 1/4#10 Slim Line Clear Filter Housing
In Stock
$16.36

mpn: 158116, ean: 0051678581162,

This Pentek 158116 1/4" #10 Slim Line clear filter housing is suitable for low flow rate applications that have space restrictions. The sump is made of clear styrene-acrylonitrile (SAN) for on-site viewing of flow and cartridge condition, and the cap...


Pentek 150469 3/4'' #10 Big Blue Filter Housing
Pentek 150469 3/4" #10 Big Blue Filter Housing
In Stock
$43.90
$31.00
You Save: 29%

mpn: 150469, ean: 0051678504697,

This Pentek 150469 3/4” #10 Big Blue filter housing with pressure relief is suitable for high-flow and heavy sediment applications. The opaque blue sump is made of reinforced polypropylene for strength and resistance to chemicals, and the black cap...



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