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Thanks so much for your help. Will look forward to receiving it. Plan to shop more with you for the RO filters
— E.W.,
Macphee's Corner - NS

Pentek

Pentek

The PENTEK® filter brand of commercial and residential water treatment products provide clean and safe drinking water while extending the life of appliances and water equipment. Pentek's filtration products include sediment and carbon filter cartridges, filter housings, ultraviolet, UF ultra filtration, and reverse osmosis systems to name just a few.

Pentek (Pentair) Water's Filtration and Water Treatment groups are known for manufacturing Fleck® control valves, Park®, Structural®, and WellMate™ pressure vessels, CodeLine™ membrane housings and PENTEK® filter housings, cartridges, and water purification systems.

[+] [–] More About PENTEK® Filter

The Water Guy, established in 1989 is a full service company that includes its own warehouse and retail store. (Yes, when your order with us you are ordering direct, not from a freight forwarding service that takes 3 weeks to get you what you need.) We can get it to you within days. :)

Our warehouse carries items that are noton our website. If you are looking for a PENTEK® product that is not found on this page, then please contact us by email or call our office (1-866-489-4004) to speak to our team who can assist you with your specialty order and unique concerns.

NOTE: Pentair/Pentek water treatment and purification items on this page are regular stock items.

Get PENTEK® filter housings, carbon or specialty cartridges and related parts or accessories shipped FAST from our Canadian warehouse DIRECTLY to your door. A real Water Tech can assist you with your water purification needs.
Pentek Categories
Water Filters
Water Filters
65 items
Water Filter Hou...
Water Filter Housings & Kits
48 items
Water Filters Bi...
Water Filters Big Blue
18 items
Water Filter Hou...
Water Filter Housing Parts
16 items
Big Blue Carbon ...
Big Blue Carbon Filters
16 items
Water Filters 20...
Water Filters 20" Standard
16 items
Big Blue 10"...
Big Blue 10" Sediment Filters
9 items
O-Rings
O-Rings
8 items
Big Blue 20"...
Big Blue 20" Sediment Filters
7 items
Residential Memb...
Residential Membranes
7 items
Big Blue Special...
Big Blue Specialty Media Filters
7 items
Reverse Osmosis ...
Reverse Osmosis Replacement Parts
5 items
Tools
Tools
5 items
Water Softener P...
Water Softener Parts
2 items
UV Dynamics
UV Dynamics
2 items
Specialty Media ...
Specialty Media Filters
2 items
Clearance & ...
Clearance & Close-Outs
2 items
Filter Sets
Filter Sets
2 items
Inline Filters a...
Inline Filters and Cartridges
1 item
Alkaline Water P...
Alkaline Water Products
1 item
Discontinued Ite...
Discontinued Items
1 item
Image
SKU
Product
List Price
Price
151118
SKU: 151118
Get Rewards: 151.90 Points ! (spends like cash)
SKU: 151118
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek Silicone O-Ring for High-Temperature Housings Part # or 151118 OR-241

$1595
158204
SKU: 158204
Get Rewards: 570.95 Points ! (spends like cash)
SKU: 158204
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentair - Pentek SlimLine 20"-Inch Housing 1/2" FNPT in/out Threaded Connections with Pressure Relief Valve Part # 158204

$5995
151254
SKU: 151254
Get Rewards: 75.71 Points ! (spends like cash)
SKU: 151254
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek Square-Cut O-Ring/Gasket for 10" Big Clear & Big White Housings

$795
150069
SKU: 150069
Get Rewards: 652.38 Points ! (spends like cash)
SKU: 150069
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentair/Pentek Standard 20" Inch Housing with 3/4" FNPT in/out Threaded Connections and Pressure Relief Valve

$6850
144376
SKU: 144376
Get Rewards: 237.62 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$3.05
SKU: 144376
List Price: $28.00
$28.00
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek - Pentair Standard Residential Membrane Housing in White

List Price: $28.00
$2495
On Sale Savings ! Your Savings !
$3.05
244043
SKU: 244043
Get Rewards: 61.90 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$2.50
SKU: 244043
List Price: $9.00
$9.00
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek MC-1A Single Steel Bracket for Standard Housing with 3/4" Ports w/o screws

List Price: $9.00
$650
On Sale Savings ! Your Savings !
$2.50
P-FS-3A
SKU: P-FS-3A
Get Rewards: 952.29 Points ! (spends like cash)
On Sale Savings ! On Sale Savings !
$20.01
SKU: P-FS-3A
List Price: $120.00
$120.00
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek Triple 10" Slimline Drinking Water Three Housing Filter Bank with 1/4" FNPT Connections - all pre-assembled Part # P-FS-3A

List Price: $120.00
$9999
$105***00
On Sale Savings ! On Sale Savings !
$20.01
P-FS-3A-3/8
SKU: P-FS-3A-3/8
Get Rewards: 952.29 Points ! (spends like cash)
On Sale Savings ! On Sale Savings !
$20.01
SKU: P-FS-3A-3/8
List Price: $120.00
$120.00
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek Triple 10" Slimline Drinking Water Three Housing Filter Bank with 3/8" FNPT Connections - all pre-assembled

List Price: $120.00
$9999
$105***00
On Sale Savings ! On Sale Savings !
$20.01
BBFS-23
SKU: BBFS-23
Get Rewards: 3618.57 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$70.05
SKU: BBFS-23
List Price: $450.00
$450.00
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek's Triple or Tri 20" Big Blue Water Filter Housing System1" FNPT in/out, comes fully assembled and ready to hang on the wall

List Price: $450.00
$37995
On Sale Savings ! Your Savings !
$70.05
P-TRI-BB-10
SKU: P-TRI-BB-10
Get Rewards: 3809.43 Points ! (spends like cash)
On Sale Savings ! On Sale Savings !
$50.01
SKU: P-TRI-BB-10
List Price: $450.00
$450.00
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek Triple Housing Kit, one 10" Big Clear Housing and two 10" Big Blue Housings mounted on a Steel Frame, 1"/in & 1"/out FNPT

List Price: $450.00
$39999
$415***00
On Sale Savings ! On Sale Savings !
$50.01
BBFS-12
SKU: BBFS-12
Get Rewards: 1857.14 Points ! (spends like cash)
On Sale Savings ! On Sale Savings !
$30.00
SKU: BBFS-12
List Price: $225.00
$225.00
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek's Twin 10" Big Blue Water Filter Housing Kit, with 1" female threaded connections in & out, it's is fully assembled and ready to hang on the wall

List Price: $225.00
$19500
$210***00
On Sale Savings ! On Sale Savings !
$30.00
BBFS-22
SKU: BBFS-22
Get Rewards: 2380.86 Points ! (spends like cash)
On Sale Savings ! On Sale Savings !
$35.01
SKU: BBFS-22
List Price: $285.00
$285.00
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek's Twin 20" Big Blue Water Filter Housing System1" FNPT in/out, and is fully assembled and ready to hang on the wall

List Price: $285.00
$24999
$259***95
On Sale Savings ! On Sale Savings !
$35.01
P-FS-2A-1/2
SKU: P-FS-2A-1/2
Get Rewards: 761.81 Points ! (spends like cash)
On Sale Savings ! On Sale Savings !
$15.01
SKU: P-FS-2A-1/2
List Price: $95.00
$95.00
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek Twin 10" Slimline Drinking Water Housing Filter Housing Bank with 1/2" FNPT Connections

List Price: $95.00
$7999
$84***50
On Sale Savings ! On Sale Savings !
$15.01
P-FS-2A
SKU: P-FS-2A
Get Rewards: 571.33 Points ! (spends like cash)
On Sale Savings ! On Sale Savings !
$10.01
SKU: P-FS-2A
List Price: $70.00
$70.00
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek Twin 10" Slimline Drinking Water Housing Filter Housing Bank with 1/4" FNPT Connections - Part # P-FS-2A

List Price: $70.00
$5999
$64***95
On Sale Savings ! On Sale Savings !
$10.01
151011
SKU: 151011
Get Rewards: 185.71 Points ! (spends like cash)
SKU: 151011
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentair/Pentek UB-1 VIH Bracket Kit

$1950
150164
SKU: 150164
Get Rewards: 729.52 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$12.40
SKU: 150164
List Price: $89.00
$89.00
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentair / Pentek Valve In Head Series 10" Std. 3/4" in/out Black/Blue Filter Housing

List Price: $89.00
$7660
On Sale Savings ! Your Savings !
$12.40
155072-43
SKU: 155072-43
Get Rewards: 129.52 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$2.90
SKU: 155072-43
List Price: $16.50
$16.50
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek WP-30 10" Standard 30 Micron String Wound Polypropylene Filter

List Price: $16.50
$1360
On Sale Savings ! Your Savings !
$2.90
155071-43
SKU: 155071-43
Get Rewards: 129.52 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$2.90
SKU: 155071-43
List Price: $16.50
$16.50
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek WP-5 10" Standard 5 Micron String Wound Polypropylene Filter

List Price: $16.50
$1360
On Sale Savings ! Your Savings !
$2.90
151120
SKU: 151120
Get Rewards: 37.62 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$0.55
SKU: 151120
List Price: $4.50
$4.50

Pentek-Pentair #10, #12 & # 20 Standard Housings Rubber O-Ring Part # 151120

List Price: $4.50
$395
On Sale Savings ! Your Savings !
$0.55
ChlorPlus-20BB
SKU: ChlorPlus-20BB
Get Rewards: 2571.33 Points ! (spends like cash)
On Sale Savings ! On Sale Savings !
$30.01
SKU: ChlorPlus-20BB
List Price: $300.00
$300.00
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek-Pentair Chloramine 20" Big Blue or BB ChlorPlus-20BB Carbon Cartridge Part # 355753-43

List Price: $300.00
$26999
$275***00
On Sale Savings ! On Sale Savings !
$30.01
151121
SKU: 151121
Get Rewards: 37.62 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$1.05
SKU: 151121
List Price: $5.00
$5.00
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek-Pentair Slimline Housing Sump Rubber O-Ring 10" & 20" Part # 151121

List Price: $5.00
$395
On Sale Savings ! Your Savings !
$1.05
P-1
SKU: P-1
Get Rewards: 66.57 Points ! (spends like cash)
On Sale Savings ! On Sale Savings !
$1.51
SKU: P-1
List Price: $8.50
$8.50
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek/Pentair P1 Series 1 Micron Poly Spun Sediment Filter, Part # 155225-43 Made from 100% pure polypropylene fibers. This P-1 Series cartridge fits standard and slimline filter housings and is commonly used in reverse osmosis system

List Price: $8.50
$699
$7***95
On Sale Savings ! On Sale Savings !
$1.51
P-5
SKU: P-5
Get Rewards: 57.05 Points ! (spends like cash)
On Sale Savings ! On Sale Savings !
$2.51
SKU: P-5
List Price: $8.50
$8.50

Pentek/Pentair P5 - 5 Micron Poly Spun Sediment Filter Model # P-5, Part # 155014-43 Made from 100% pure polypropylene fibers. This P-5 Series cartridge fits standard and slimline filter housings and is commonly used in reverse osmosis system

List Price: $8.50
$599
$6***95
On Sale Savings ! On Sale Savings !
$2.51
P5-20
SKU: P5-20
Get Rewards: 123.71 Points ! (spends like cash)
SKU: P5-20
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek/Pentair P5-20 Poly Spun 5 Micron Sediment Filter Model # P-5, Part # 155016-43 Made from 100% pure polypropylene fibers. This P-5 Series cartridge fits standard 20" and 20" slimline filter housings and is commonly used in reverse osmosis system

$1299
$16***95
155749-43
SKU: 155749-43
Get Rewards: 109.52 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$3.50
SKU: 155749-43
List Price: $15.00
$15.00
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek/Pentair 5 Micron High Performance PolyDepth Polypropylene Filter Cartridge Model # PD-5-934 Part # 155749-43

List Price: $15.00
$1150
On Sale Savings ! Your Savings !
$3.50
SD_655210-43
SKU: SD_655210-43
Get Rewards: 761.81 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$250.01
SKU: SD_655210-43
List Price: $330.00
$330.00
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Pentek Replacement Cartridge for the Heavy Duty Lead Filtration System

List Price: $330.00
$7999
On Sale Savings ! Your Savings !
$250.01
CH15676
SKU: CH15676
Get Rewards: 618.57 Points ! (spends like cash)
SKU: CH15676
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Structural Brine Tube, Complete Assembly, Tube 40" in length

$6495
WS-10
SKU: WS-10
Get Rewards: 366.67 Points ! (spends like cash)
On Sale Savings ! Your Savings !
$11.50
SKU: WS-10
List Price: $50.00
$50.00
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

10" Standard Water Softener Cartridge by Pentek Model # WS-10 Part # 155319-43 Providing a convenient solution to protect sensitive equipment like Reverse Osmosis Systems and ideal other low water usage applications

List Price: $50.00
$3850
On Sale Savings ! Your Savings !
$11.50
WS-20
SKU: WS-20
Get Rewards: 466.57 Points ! (spends like cash)
On Sale Savings ! On Sale Savings !
$16.01
SKU: WS-20
List Price: $65.00
$65.00
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

20" Standard Water Softener Cartridge by Pentek Model # WS-20 Part # 155320-43 Providing a convenient solution to protect sensitive equipment like Coffee Equipment, Steamers, Ovens, Humidifiers and Reverse Osmosis Systems and ideal other low water usage a

List Price: $65.00
$4899
$54***95
On Sale Savings ! On Sale Savings !
$16.01
SW-2
SKU: SW-2
Get Rewards: 57.05 Points ! (spends like cash)
On Sale Savings ! On Sale Savings !
$6.51
SKU: SW-2
List Price: $12.50
$12.50
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Wrench for 10" and 20" Standard Housings by Pentek-Pentair

List Price: $12.50
$599
$7***95
On Sale Savings ! On Sale Savings !
$6.51
SW-1A
SKU: SW-1A
Get Rewards: 57.05 Points ! (spends like cash)
On Sale Savings ! On Sale Savings !
$6.51
SKU: SW-1A
List Price: $12.50
$12.50
  • By: Pentek
  • In Stock: Ships in 1 - 3 days

Wrench for newer 10" & 20" Slim Line Housings by Pentek-Pentair Part # SW-1A

List Price: $12.50
$599
$7***95
On Sale Savings ! On Sale Savings !
$6.51
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