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Anden SDU Remote Mounting Kit
Sale price$342.00

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Anden Steam Humidifier w/ Fan Pack & Control
Sale price$1,381.95

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Anden Wall Mounted Digital Humidistat
Sale price$597.24

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AP Analog Grounded Timer, 1875W, 15A, 15Mins On/Off, 24Hr
Sale price$17.52

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AP Dual-Outlet Analog Timer, 1875W, 15A, 15Mins On/Off, 24Hr
Sale price$19.94

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Apera EC calibration kit (2.77EC, 8oz.)
Sale price$14.99

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Apera GroStar GS1 pH Pen
Sale price$115.99

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Apera GroStar GS1-E replacement pH electrode
Sale price$50.99

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Apera GroStar GS2 Soil pH Pen
Sale price$256.99

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Apera GroStar GS2-E replacement Soil Spear pH electrode
Sale price$181.99

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Apera GroStar GS3 EC Pen
Sale price$113.99

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Apera GroStar GS3-E replacement EC electrode
Sale price$53.99

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Apera GroStar GS4 pH/EC Combo Pen
Sale price$178.99

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Apera GroStar GS4-E replacement pH/EC combo electrode
Sale price$79.99

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Apera pH calibration kit (pH 4/7, 8oz. each)
Sale price$18.99

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Apera pH calibration kit (pH 4/7/10, 8oz. each)
Sale price$28.99

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Apera pH probe maintenance kit
Sale price$23.99

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Aphipar Large
Sale price$340.00

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Aphipar Small
Sale price$95.00

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Aphipar-M Large
Sale price$520.00

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Aphipar-M Small
Sale price$114.00

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Aphrodite's Extraction
Sale priceFrom $24.00

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Apiezon H High Temperature Vacuum Grease
Sale price$389.50

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Apiezon N Cryogenic Vacuum Grease
Sale price$414.20

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Apiezon PFPE 501 High Temperature Vacuum Grease
Sale price$541.50

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Apogee Instruments Telescopic Water Submersible Sensor Wand
Sale price$59.99

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Apogee MQ-500: Full-Spectrum Quantum Meter
Sale price$649.00

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Apogee Quantum Sensor
Sale price$808.00

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Aptus Bloomboost
Sale priceFrom $171.75

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Aptus Breakout Powder, (5-Pack)
Sale price$72.19

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Aptus Fasilitor
Sale priceFrom $98.00

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Aptus Finaleboost
Sale priceFrom $139.81

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Aptus Massboost
Sale priceFrom $26.50

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Aptus Peakboost
Sale priceFrom $139.81

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Aptus Startboost
Sale priceFrom $235.12

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AQUALAB 3
Sale priceFrom $2,850.00

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AQUALAB 4TE
Sale price$12,900.00

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AQUALAB Sample Cups
Sale priceFrom $130.00

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AQUALAB Single-Use Cleaning Swabs
Sale price$65.00

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AQUALAB TDL 2
Sale price$18,900.00

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AQUALAB Water Activity Standards
Sale priceFrom $130.00

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Aquatrols CapSil 1 Gl (4/Cs) (Brandt Super Wetter)
Sale price$445.64

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Aranet CO2 and Temperature sensor
Sale price$399.00

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Aranet IR Plant Temperature Sensor
Sale price$600.00

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Aranet PAR sensor
Sale price$699.00

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Aranet PRO Plus base station
Sale price$899.00

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Aranet T/RH IP67 sensor
Sale price$129.00