Water Purification Equipment - Blowout Sale! Save up to 85%


Blowout Sale! Up to 85% off on Water Purification Equipment at Dupen Labs. Top brands include Lawrence Factor, Industrial Test Systems, LaMotte, Elga, Franklin Machine Products, Thermo Scientific, & Aries Filterworks. Hurry! Limited time offers. Offers valid only while supplies last.



X22249, LF Breathing Air Filter, Fits Bauer 059183A
X22249, LF Breathing Air Filter, Fits Bauer 059183A
By Lawrence Factor
In Stock
$38.50

mpn: X22249,

4.9 out of 5 stars with 138 reviews
Lawrence Factor Purification Cartridge, fits Bauer 059183 Found on the Bauer Junior, Junior II, Oceanus, and many other Bauer models.LF Breathing Air Filter.


Industrial Test Systems Quick II 481301-5 Arsenic Low-Range for Water Quality Testing, 5 Tests, 12 Minutes Test Time
Industrial Test Systems Quick II 481301-5 Arsenic Low-Range for Water Quality Testing, 5 Tests, 12 Minutes Test Time
By Industrial Test Systems
In Stock
$51.51

mpn: 481301-5, ean: 0809762130150,

4.5 out of 5 stars with 47 reviews
Low Range Arsenic Quick II Mini is the premier product in the Quick line of arsenic water quality testing kits. Yielding results in only 12 minutes, Low Range Arsenic Quick II Mini combines low sensitivity with ease-of-use. Ideal for on-the-spot field testing, Low Range Arsenic Quick II Mini gives you the tools for tomorrow, today. With the US EPA imposing new, stricter regulations pertaining to arsenic in drinking water, many of the testing methods currently used today will be rendered


LaMotte 0943 Plastic Syringe, 60ml Capacity
LaMotte 0943 Plastic Syringe, 60ml Capacity
By LaMotte
In Stock
$20.24
$18.00
You Save: 11%

mpn: 943,

4.2 out of 5 stars with 69 reviews
LaMotte manufactures analytical reagents, portable water testing instrumentation, and microbiological testing products. The company, founded in 1919, is headquartered in Chestertown, MD.Replacement 60mL plastic syringe for the LaMotte AWL Algae in Water Test Kit (sold separately).


Industrial Test Systems WaterWorks 480024 Free Chlorine Test Strip, Ultra High Range, 31 Seconds Test Time, 0-750ppm Range (Bottle of 50)
Industrial Test Systems WaterWorks 480024 Free Chlorine Test Strip, Ultra High Range, 31 Seconds Test Time, 0-750ppm Range (Bottle of 50)
By Industrial Test Systems
In Stock
$15.45
$12.48
You Save: 19%

mpn: 480024, ean: 0809762800244,

4.0 out of 5 stars with 96 reviews
The Industrial Test Systems WaterWorks 480024 free-chlorine test strips have a 0 to 750ppm (mg/L) test range and a 31 second test time, and are used to test chlorine levels in a variety of settings, including food and beverage processing. All reagents are impregnated on the strips, eliminating the need for other chemicals. The strips have 0, 25, 50, 100, 200, 300, 400, 500, 750ppm (mg/L) detection levels, and resist interference from monochloramines. Includes one bottle of 50 test


Industrial Test Systems eXact 484003 Cyanide ReagentStrip Test Kit, 2 Minutes Test Time, 0.05-200 ppm Range (Pack of 50)
Industrial Test Systems eXact 484003 Cyanide ReagentStrip Test Kit, 2 Minutes Test Time, 0.05-200 ppm Range (Pack of 50)
By Industrial Test Systems
In Stock
$41.58

mpn: 484003, ean: 0809762840035,

4.6 out of 5 stars with 43 reviews
The Industrial Test Systems eXact 484003 Cyanide ReagentStrip Test Kit evaluates cyanide concentrations from 0.05 to 200 ppm with a two-minute test time. The test kit evaluates cyanide concentrations and provides cyanide colorimetric analysis in effluents and surface waters. It tests from 0.05 to 200 ppm with sensitivity indicators at 0.05, 0.1, 0.2, 0.5, 1, 2, 3, 5, >10, >20, andTest kit evaluates cyanide concentrations and provides cyanide colorimetric analysis in effluents and surface


Industrial Test Systems SenSafe 480044 Boris' Silver Test Strip without Glycine, 60 Seconds Test Time, 0-0.1 ppm Range (Bottle of 50)
Industrial Test Systems SenSafe 480044 Boris' Silver Test Strip without Glycine, 60 Seconds Test Time, 0-0.1 ppm Range (Bottle of 50)
By Industrial Test Systems
In Stock
$22.78
$21.64
You Save: 5%

mpn: 480044, ean: 0809762800442,

4.0 out of 5 stars with 110 reviews
The SenSafe™ Silver test strip tests for free Silver in water. This strip uses our patented aperture technology to detect levels from 5ppb (µg/L) (.005ppm (mg/L)) to 100ppb (µg/L) (.1ppm (mg/L)) in 30 seconds, making Boris' Silver ideal for a wide range of industries. Available in bottles of 50 or 30 packets, Boris' Silver test strips are safe to use with no hazardous chemicals (no MSDS required).0, 0.005, 0.01, 0.025, 0.05, 0.075, 0.1 ppm (mg/L).


Elga LC178 Conditioning Cartridge, For Purelab
Elga LC178 Conditioning Cartridge, For Purelab
By Elga
In Stock
$137.48
$20.22
You Save: 85%

mpn: LC178,

4.6 out of 5 stars with 137 reviews
Removes ionic contaminants to achieve specified water quality. Compatible water purification units is Purlab option-E 5/10.Conditioning Cartridge.


Franklin Machine Quat Ammonia Sanitizer Test Strip Tape
Franklin Machine Quat Ammonia Sanitizer Test Strip Tape
By Franklin Machine Products
In Stock
$10.26

mpn: 142-1363, ean: 0658999002637,

4.5 out of 5 stars with 34 reviews
STRIPS, QUAT AMMONIA, 100/BAG, 0-400PPM 110560Model #: 142-1362. Parts per Million: 0-400. Includes: Color coded test chart. Type: Quaternary ammonia compounds, ''QUAT''. 100 strips in plastic vial.


Industrial Test Systems Quick 481396-5 Arsenic for Water Quality Testing, 5 Tests, 12 Minutes Test Time
Industrial Test Systems Quick 481396-5 Arsenic for Water Quality Testing, 5 Tests, 12 Minutes Test Time
By Industrial Test Systems
In Stock
$25.74

mpn: 481396-5, ean: 0809762139658,

4.1 out of 5 stars with 149 reviews
Industrial Test Systems, Inc. features an array of Inorganic Arsenic Quick™ test kits that provide accurate results at affordable prices. Designed using cutting edge chemistry, our easy-to-use test kits report results for Inorganic Arsenic (III&V) from 0.3ppb in 12 minutes without the need for technical training. Performance and accuracy of these kits have been verified by the USEPA through the ETV program. We invite you to see why the Quick™ line of Arsenic test kits from ITS are


X302414 Lawrence Factor Purification Cartridge, fits Coltri/Max Air/Nuvair LF-1002 & AC95601
X302414 Lawrence Factor Purification Cartridge, fits Coltri/Max Air/Nuvair LF-1002 & AC95601
By Lawrence Factor
In Stock
$63.21

mpn: X302414,

4.5 out of 5 stars with 108 reviews
Lawrence Factor Purification Cartridge, fits Coltri/Max Air/Nuvair LF-1002 & AC95601.


Thermo Scientific CMX25 Replacement Cleaning Syringe, For Nanopure Water Purification System
Thermo Scientific CMX25 Replacement Cleaning Syringe, For Nanopure Water Purification System
By Thermo Scientific
In Stock
$57.13
$38.16
You Save: 33%

mpn: CMX25,

4.1 out of 5 stars with 26 reviews
Replacement cleaning syringe. Used for cleaning the nanopure water purification system.


Industrial Test Systems WaterWorks 482028 Salt Water Check, 52 Seconds Test Time, 0-150% Range (Bottle of 50)
Industrial Test Systems WaterWorks 482028 Salt Water Check, 52 Seconds Test Time, 0-150% Range (Bottle of 50)
By Industrial Test Systems
In Stock
$19.25

mpn: 482028, ean: 0809762820280,

4.4 out of 5 stars with 57 reviews
Combining accuracy, affordability, and ease-of-use, our patented test strips have revolutionized water testing. They provide accurate, rapid results at an affordable cost. Designed using cutting-edge chemistries and state-of-the-art manufacturing processes, our test strips and test kits replace outdated testing kits that are labor and cost intensive.Salt Concentration: 0%, 25%, 50%, 75%, 100%, 125%, >150%. Conductivity: 8 (x10000 µS/cm). Ideal for field testing for salt in brackish water.


Phosphate Cartridge (24 oz), 3 x 10 in. - 1 Each
Phosphate Cartridge (24 oz), 3 x 10 in. - 1 Each
By Aries Filterworks
In Stock
$40.46

mpn: AF-10-3321,

4.1 out of 5 stars with 20 reviews
The Aries Filterworks AF Series phosphate, or antiscale, filter cartridge contains a food-grade, slow-melt phosphate that dissolves in water to help inhibit scale and rust buildup. Use in applications with increased amounts of hardness, scale, corrosion, and iron. Media dissolves slowly for extended protection. Anti-Scale Cartridge, For Use With Pentek 150067-75, Pentek 150150-75, Application taste and odor, anti-scalant, cooking and heating, coffee and tea brewingUSA.


Industrial Test Systems eXact 486608 Micro Sulfate Strips, 0-150 ppm Detection Range (Bottle of 50)
Industrial Test Systems eXact 486608 Micro Sulfate Strips, 0-150 ppm Detection Range (Bottle of 50)
By Industrial Test Systems
In Stock
$19.25

mpn: 486608, ean: 0809762866080,

4.1 out of 5 stars with 126 reviews
Bottle of 50 sulfate (SO4) test strips for use with eXact series photometers to test for the presence of sulfate (SO4) in water. Detection range of 0 to 150 ppm. Includes 50 test strips.


Industrial Test Systems eXact 486654 Micro Ammonia Strips, +/- 1 Accuracy (Bottle of 25)
Industrial Test Systems eXact 486654 Micro Ammonia Strips, +/- 1 Accuracy (Bottle of 25)
By Industrial Test Systems
In Stock
$20.75

mpn: 486654, ean: 0809762866547,

4.8 out of 5 stars with 58 reviews
For use with eXact Photometers, the eXact Strip Micro Ammonia for eXact 638nm Photometers incorporates the patented eXact reagent delivery system created by Industrial Test Systems, Inc. which is ideal for technical and non-technical users. By dipping the eXact strip into a photometer cell, the exact amount of reagent is released into the water causing a change in color or turbidity. The change is measured by an eXact photometer giving the user fast and accurate results. Each unit consists of a


Industrial Test Systems eXact 486812 Micro Cyanide Strips (Bottle of 50)
Industrial Test Systems eXact 486812 Micro Cyanide Strips (Bottle of 50)
By Industrial Test Systems
In Stock
$41.58

mpn: 486812, ean: 0809762868121,

4.9 out of 5 stars with 133 reviews
The Industrial Test Systems 486812 cyanide micro-test strips have a 0.00 to 1.90ppm detection range and are used with the Industrial Test Systems 638mm eXact photometer (sold separately). The set includes a bottle of 50 test strips and reagent. Industrial Test Systems manufactures water quality testing equipment for water treatment, food and beverage, pool and spa, educational, and medical industries. The company, founded in 1989, is headquartered in Rock Hill, SC.What's in the Box?(50) Cyanide


Industrial Test Systems eXact 486672 High Range Free Chlorine Strips, 0-300 ppm Detection Range (Bottle of 50)
Industrial Test Systems eXact 486672 High Range Free Chlorine Strips, 0-300 ppm Detection Range (Bottle of 50)
By Industrial Test Systems
In Stock
$21.25

mpn: 486672, ean: 0809762866721,

4.2 out of 5 stars with 48 reviews
For use with eXact Photometers, the eXact Strip Micro High Range Chlorine incorporates the patented eXact reagent delivery system created by Industrial Test Systems, Inc. which is ideal for technical and non-technical users. By dipping the eXact strip into a photometer cell, the exact amount of reagent is released into the water causing a change in color or turbidity. The change is measured by an eXact photometer giving the user fast and accurate results. Each unit consists of a bulk bottle of


Industrial Test Systems SenSafe 480125 Iron Check, 2 Minutes and 30 Seconds Test Time, 0-5ppm Range (Pack of 30 Test Strips)
Industrial Test Systems SenSafe 480125 Iron Check, 2 Minutes and 30 Seconds Test Time, 0-5ppm Range (Pack of 30 Test Strips)
By Industrial Test Systems
In Stock
$21.29

mpn: 480125, ean: 0809762801258,

4.6 out of 5 stars with 19 reviews
Patented technology allows for ferrous Iron (Fe+2) detection sensitivity of 0.1 ppm (mg/L) on the SenSafe® Iron Check test strip. This test promises to be an attractive alternative to wet chemical iron tests because there are no hazardous chemicals to mix and a MSDS is not required. Quick results are obtained in minutes and best of all, the Total Iron Test Strips are safe and easy to use for fast accurate results within the ranges of 0.1 to 5 ppm (mg/L); which permits the measurement of


Industrial Test Systems WaterWorks 481130 Chlorine Sanitizer Check, 47 Seconds Test Time, 0-80ppm Range (Pack of 30)
Industrial Test Systems WaterWorks 481130 Chlorine Sanitizer Check, 47 Seconds Test Time, 0-80ppm Range (Pack of 30)
By Industrial Test Systems
In Stock
$16.40

mpn: 481130, ean: 0809762811301,

4.3 out of 5 stars with 65 reviews
Combining accuracy, affordability, and ease-of-use, our patented test strips have revolutionized water testing. They provide accurate, rapid results at an affordable cost. Designed using cutting-edge chemistries and state-of-the-art manufacturing processes, our test strips and test kits replace outdated testing kits that are labor and cost intensive.0, 1.0, 3.0, 5.0, 10, 12, 15, 20, 40, 80 ppm (mg/L). 47 seconds test. Dip and read test strip. 30 pkts test strips.


Thermo Scientific 1211X60EA Barnstead D50214 Oxygen Removal Cartridge with Porous Strong Ion Exchange Resin, 18 g Capacity for B-Pure Deionizer
Thermo Scientific 1211X60EA Barnstead D50214 Oxygen Removal Cartridge with Porous Strong Ion Exchange Resin, 18 g Capacity for B-Pure Deionizer
By Thermo Scientific
In Stock
$23.10

mpn: D50214,

4.1 out of 5 stars with 30 reviews
Thermo Fisher Scientific manufactures analytical instruments, laboratory equipment, consumables, and software under the Thermo Scientific, Fisher Scientific, Barnstead, and Nalgene brands, among others. The company is headquartered in Waltham, MA.Oxygen removal cartridge for water purification system. Works with B-Pure deionizer. 18g capacity. With porous strong ion exchange resin.



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