4 Columns - Lazenby & Associates, Inc.

Reagent Kit – MCX Pocket Photometer
$330.00 Add to cart
MCX Pocket Photometer
$662.00 Add to cart
Membrane Switch/Keypad for MTOL+
$118.92 Add to cart
Flush Device
$725.00 Add to cart
Flushing Panel
$1,085.00 Add to cart
ProCal Calibration Kit (0-4000 NTU), W/L
$409.83 Add to cart
Spanner Wrench
$67.83 Add to cart
Junction Box Power Supply Replacement
$1,020.88 Add to cart
Electronic Service Module MTOL+ WL (New 2025)
$2,220.57 Add to cart
MTOL+ WL 0-100 Auto CLN (New in 2025)
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Ammonia Solution Kit, 2 ppm, 1 liter
$50.80 Add to cart
Ammonia Solution Kit, 1 ppm, 1 liter
$43.10 Add to cart
Pressure Regulator Assembly
$77.20 Add to cart
Chlorinating Reagent
$78.62 Add to cart
USB Replacement
$60.45 Add to cart
MCX Flush Kit
$45.13 Add to cart
Complete Tubing Replacement Kit
$763.46 Add to cart
Reagent Pump Kit
$489.86 Add to cart
Pump Head Replacement Kit
$357.61 Add to cart
Reagent Kit – MCX
$261.96 Add to cart
PCB/Chassis Assembly CLX V2
$2,388.02 Add to cart
1/4″ PTC Tube Fitting, Inlet Water
$16.46 Add to cart
Spin Filter – complete
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Conductivity solution (1413 µSiemen/cm)
Read more
ProCal Kit 0 – 1000 NTU standard solution
$409.83 Add to cart
ProCal Kit 0 – 100 NTU standard solution
$409.83 Add to cart
ProCal 1000 NTU standard solution – 1 liter
$200.09 Add to cart
SD 400 Dissolved Oxygen Meter
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SD 335 Multi-Parameter Analyzer
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AccuView Accessory
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Pay Invoice
$0.00 Add to cart
MCX Monochloramine Analyzer
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Cuvettes, Flow Through 3 pk.
$88.55 Add to cart
Cuvettes, Micro TPW / TPI 3 pk.
$80.89 Add to cart
MTOL+ Micro TOL Series Flow Through Assembly
$348.81 Add to cart
Lighthouse Solid Secondary Standard
$590.00 Add to cart
Desiccant – Refill Only
$73.51 Add to cart
Lamp, MTOL+ / M100+ / Micro TOL
$153.04 Add to cart
Lighthouse Pour Through Assembly
$600.00 Add to cart
PSI Regulator for NTU
$305.67 Add to cart
Gasket – Flow Head
$4.75 Add to cart
Gasket, MTOL+ and Micro TOL Base
$8.18 Add to cart
Cuvette, Grab Sample 3 pk.
$125.49 Add to cart
Cuvette, Grab Sample 10 pk.
$333.48 Add to cart
Cuvette, Ultrasonic for MTOL+
$313.05 Add to cart
Cuvette, Grab Sample 1 ea.
$37.76 Add to cart
Clamp, Back Pressure
$40.00 Add to cart
1.5″ 100 Mesh Spin Filter
$169.00 Add to cart
Solenoid Drain, CLX
$470.28 Add to cart
Solenoid Intake, CLX
$470.28 Add to cart
Optical Intake Assembly, CLX
$1,541.12 Add to cart
Cuvette, CLX
$66.13 Add to cart
Check Valve Flushing Kit 10 ml
$26.68 Add to cart
Check Valve Flushing Kit, 30 ml
$20.94 Add to cart
Check Valve Kit
$307.94 Add to cart
Replacement Tubing / Cuvette Kit
$229.04 Add to cart
Intake Water Assembly, CLX
$618.15 Add to cart
Screen Only, CLX TEE Stainer
$25.88 Add to cart
TEE Strainer Assembly
$46.19 Add to cart
Solenoid Diaphragm Drain
$128.85 Add to cart
Solenoid Diaphragm – Intake
$128.85 Add to cart
Reagent Pump
$661.29 Add to cart
Pressure Regulator
$108.98 Add to cart
PCB / Chassis Assembly – CLX V1
$2,341.20 Add to cart
O-Ring, Cuvette
$1.28 Add to cart
Fitting, Intake 1/8″ NPT x 1/8″ Barb Elbow
$12.46 Add to cart
CLX Fitting – Optics Sample Inlet
$4.08 Add to cart
Cap, CLX 1 only
$53.00 Add to cart
By-Pass Tube (8″) for CLX
$17.62 Add to cart
By-Pass Kit / CLX
$119.40 Add to cart
By-Pass Fitting SS
$12.34 Add to cart
Annual Maintenance Kit – CLX
$488.63 Add to cart
JAW Cl2 DPD Reagent, FREE, 30 day for Hach
$79.75 Add to cart
JAW Cl2 DPD Reagent, TOTAL, 30 day for Hach
$82.87 Add to cart
JAW Cl2 DPD Reagent, TOTAL, 30 day
$87.42 Add to cart
JAW Cl2 DPD Reagent, FREE, 30 day
$84.01 Add to cart
Liquid Cl2 DPD Reagent, TOTAL, 30 days
$97.35 Add to cart
Liquid Cl2 DPD Reagent, FREE, 30 days
$91.96 Add to cart
Micro TPW Portable Turbidimeter (IR)
$1,505.07 Add to cart
Micro TPW Portable Turbidimeter (WL)
$1,505.07 Add to cart
M100+ (WL) Laboratory Turbidimeter
$2,714.12 Add to cart
M100+ (IR) Laboratory Turbidimeter
$2,714.12 Add to cart
AccUView UV 254
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MTOL+ On-line NTU Meter (white light)
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CLX Chlorine Analyzer Version 2
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ProCal 20 NTU – Liter – 1720 series
$160.00 Add to cart
ProCal 20 NTU – Gallon – 1720 series
$300.23 Add to cart
ProCal Kit for Micro TPW
$409.83 Add to cart
ProCal 10 NTU standard solution – 125 ml – Pourable Standard
$142.76 Add to cart
ProCal Kit 0 – 10 NTU standard solution
$409.83 Add to cart
ProCal 0.02 NTU standard solution – 1 liter
$116.08 Add to cart
ProCal 10 NTU Primary Calibration Standard – 1 Liter
$200.09 Add to cart
ProCal ZERO NTU – Gallon – 1720 series
$209.52 Add to cart
SD 30 EC Pocket Tester
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SD 40 Multi Pocket Tester
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SD 20 ORP Portable Tester
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SD 10 pH Meter
$225.00 Add to cart
Micro Check Cl2 TOTAL
$34.63 Add to cart
Micro Check FREE Cl2
$34.63 Add to cart
Conductivity Sensors
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DPD Powder Pops, 25 ml, 1000 pk., TOTAL
$346.92 Add to cart
DPD Powder Pops, 25 ml, 200 pk., TOTAL
$85.97 Add to cart
DPD Powder Pops, 25 ml, 200 pk., FREE
$85.97 Add to cart
DPD Powder Pops, 25 ml, 1000 pk., FREE
$346.92 Add to cart
DPD Powder Pops, 10 ml, 1000 pk., FREE
$346.92 Add to cart
DPD Powder Pops, 10 ml, 200 pk., FREE
$85.97 Add to cart
DPD Powder Pops, 10 ml, 200 pk., TOTAL
$85.97 Add to cart
DPD Powder Pops, 5 ml, 200 pk., FREE
$85.97 Add to cart
DPD Powder Pops, 10 ml, 1000 pk., TOTAL
$346.92 Add to cart
DPD Powder Pops, 5 ml, 1000 pk., TOTAL
$346.92 Add to cart
DPD Powder Pops, 5 ml, 200 pk., TOTAL
$85.97 Add to cart
DPD Powder Pops, 5 ml, 1000 pk., FREE
$346.92 Add to cart
Flow Regulator (1 GPM)
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Corrosion Coupon Mild Steel
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Corrosion Coupon – Copper
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Corrosion Coupon Holder
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Corrosion Coupon Test Rack
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Corrosion Coupon – Lead (Pb)
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Reference Standard – Chlorine Dioxide
$104.44 Add to cart
Reagent Kit – for Chlorine Dioxide
$86.56 Add to cart
Chlorine Dioxide Pocket Photometer
$678.60 Add to cart
Light Shield
$32.95 Add to cart
Cuvettes, Disposable (100/pk)
$52.22 Add to cart
Reference Standard solution, 2.0 ppm, 118ml
$104.44 Add to cart
Reference Standard solution, 4.0 ppm 118 ml
$106.43 Add to cart
Reference Standard solution, 1.0 ppm 118 ml
$106.43 Add to cart
Chlorine Pocket Photometer
$678.60 Add to cart
CBOD Nitrification Inhibitor
$45.41 Add to cart
pH 10 Buffer
$33.50 Add to cart
pH 7 Buffer
$33.50 Add to cart
pH 4 Buffer
$29.50 Add to cart
PPD-2 Dispenser, 10 ml, TOTAL, TABLET
$38.32 Add to cart
PPD-2 Dispenser, 10 ml, FREE, TABLET
$38.32 Add to cart
PPD-2 DPD Dispenser, 25 ml, TOTAL, 1000 Tests
$295.45 Add to cart
PPD-2 Dispenser, 25 ml, TOTAL, 100 Tests
$38.32 Add to cart
PPD-2 DPD Dispenser, 25 ml, FREE, 1000 Tests
$295.45 Add to cart
PPD-2 DPD Dispenser, 25 ml, FREE, 100 Tests
$38.32 Add to cart
PPD-2 Dispenser, 10 ml, TOTAL, 1000 Tests
$295.45 Add to cart
PPD-2 Dispenser 10 ml TOTAL, 200 Tests
$135.10 Add to cart
PPD-2 Dispenser, 10 ml, TOTAL, 100 Tests
$38.32 Add to cart
PPD-2 Dispenser, 10 ml, FREE, 1000 Tests
$295.45 Add to cart
PPD-2 Dispenser, 10 ml, FREE, 400 Tests
$135.10 Add to cart
PPD-2 Dispenser, 10 ml, FREE, 100 Tests
$38.32 Add to cart
PPD-2 Dispenser, 5 ml, TOTAL, 1000 Tests
$253.16 Add to cart
PPD-2 Dispenser, 5 ml, TOTAL, 400 Tests
$114.95 Add to cart
PPD-2 Dispenser, 5 ml, TOTAL, 100 Tests
$30.65 Add to cart
PPD-2 Dispenser, 5 ml, FREE, 1000 tests
$253.16 Add to cart
PPD-2 Dispenser, 5 ml, FREE, 400 tests
$114.95 Add to cart
PPD-2 Dispenser 5 ml, FREE, 100 Tests
$30.65 Add to cart
CLX-XT Reagent Set
$451.32 Add to cart
1.5″ pH Sensor Differential (w/ATC)
$795.00 Add to cart
ORP Sensor 1.5″ Differential
$750.00 Add to cart
Model 2250 TX – Single Channel-24 VDC
$915.00 Add to cart
Model 2250 Single Channel Analyzer
$1,395.00 Add to cart
24VDC Power Supply for 2250TX
$30.00 Add to cart
Combination 1″ pH Sensor Model 575
$325.00 Add to cart
1.5″ pH Sensor (Differential)
$725.00 Add to cart
1″ Differential pH / ORP Sensor
$725.00 Add to cart

Reagent Kit – MCX Pocket Photometer

MCX Pocket Photometer

Membrane Switch/Keypad for MTOL+

Flush Device

Flushing Panel

ProCal Calibration Kit (0-4000 NTU), W/L

Spanner Wrench

Junction Box Power Supply Replacement

Electronic Service Module MTOL+ WL (New 2025)

MTOL+ WL 0-100 Auto CLN (New in 2025)

Ammonia Solution Kit, 2 ppm, 1 liter

Ammonia Solution Kit, 1 ppm, 1 liter

Pressure Regulator Assembly

Chlorinating Reagent

USB Replacement

MCX Flush Kit

Complete Tubing Replacement Kit

Reagent Pump Kit

Pump Head Replacement Kit

Reagent Kit – MCX

PCB/Chassis Assembly CLX V2

1/4″ PTC Tube Fitting, Inlet Water

Spin Filter – complete

Conductivity solution (1413 µSiemen/cm)

ProCal Kit 0 – 1000 NTU standard solution

ProCal Kit 0 – 100 NTU standard solution

ProCal 1000 NTU standard solution – 1 liter

SD 400 Dissolved Oxygen Meter

SD 335 Multi-Parameter Analyzer

AccuView Accessory

Pay Invoice

MCX Monochloramine Analyzer

Cuvettes, Flow Through 3 pk.

Cuvettes, Micro TPW / TPI 3 pk.

MTOL+ Micro TOL Series Flow Through Assembly

Lighthouse Solid Secondary Standard

Desiccant – Refill Only

Lamp, MTOL+ / M100+ / Micro TOL

Lighthouse Pour Through Assembly

PSI Regulator for NTU

Gasket – Flow Head

Gasket, MTOL+ and Micro TOL Base

Cuvette, Grab Sample 3 pk.

Cuvette, Grab Sample 10 pk.

Cuvette, Ultrasonic for MTOL+

Cuvette, Grab Sample 1 ea.

Clamp, Back Pressure

1.5″ 100 Mesh Spin Filter

Solenoid Drain, CLX

Solenoid Intake, CLX

Optical Intake Assembly, CLX

Cuvette, CLX

Check Valve Flushing Kit 10 ml

Check Valve Flushing Kit, 30 ml

Check Valve Kit

Replacement Tubing / Cuvette Kit

Intake Water Assembly, CLX

Screen Only, CLX TEE Stainer

TEE Strainer Assembly

Solenoid Diaphragm Drain

Solenoid Diaphragm – Intake

Reagent Pump

Pressure Regulator

PCB / Chassis Assembly – CLX V1

O-Ring, Cuvette

Fitting, Intake 1/8″ NPT x 1/8″ Barb Elbow

CLX Fitting – Optics Sample Inlet

Cap, CLX 1 only

By-Pass Tube (8″) for CLX

By-Pass Kit / CLX

By-Pass Fitting SS

Annual Maintenance Kit – CLX

JAW Cl2 DPD Reagent, FREE, 30 day for Hach

JAW Cl2 DPD Reagent, TOTAL, 30 day for Hach

JAW Cl2 DPD Reagent, TOTAL, 30 day

JAW Cl2 DPD Reagent, FREE, 30 day

Liquid Cl2 DPD Reagent, TOTAL, 30 days

Liquid Cl2 DPD Reagent, FREE, 30 days

Micro TPW Portable Turbidimeter (IR)

Micro TPW Portable Turbidimeter (WL)