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Gas Purification

Click-On In-Line Super Clean Big Trap Replacement Filters

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  • Largest-capacity traps available—run longer without replacing.
  • Maximum operating pressure of 11 bar (160 psig).
  • High-purity output ensures 99.9999% pure gas (maximum flow of 8 L/min).
  • Triple gas trap is ideal for purifying carrier gas.
  • Helium-specific triple gas trap is made for GC-MS—ready to use within 15 minutes of installation.
  • Hydrocarbon trap removes hydrocarbon contamination from carrier gas to help eliminate ghost peaks.
Note: Replacement filter only—fittings sold separately.

Click-On In-Line Super Clean Big Trap Filter Kits

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  • Largest-capacity traps available—run longer without replacing.
  • "Quick connect" fittings with spring-loaded check valves allow filter replacement in seconds without tools or contamination.
  • Maximum operating pressure of 11 bar (160 psig).
  • High-purity output ensures 99.9999% pure gas (maximum flow of 8 L/min).
  • Triple gas trap is ideal for purifying carrier gas.
  • Helium-specific triple gas trap is made for GC-MS—ready to use within 15 minutes of installation.
  • Hydrocarbon trap removes hydrocarbon contamination from carrier gas to help eliminate ghost peaks.

Dynamic Duo (Restek Leak Detector and ProFLOW 6000 Flowmeter)

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Protect your instrument and improve data quality with this powerful pair from Restek. Checking for leaks and verifying flows before you start running help you avoid costly problems later.

Click-On In-line Super Clean Ultra-High Capacity Oxygen Trap

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Note: Replacement trap only—fittings sold separately.

Click-On In-line Super Clean Ultra-High Capacity Moisture Trap

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Note: Replacement trap only—fittings sold separately.

Click-On In-line Super Clean Ultra-High Capacity Hydrocarbon Trap

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Note: Replacement trap only—fittings sold separately.

Restek ProFLOW 6000 Electronic Flowmeter

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Flowmeters that can measure flammable gases are becoming mandatory due to the increased use of hydrogen in chromatography. With its Ex rating, the Restek ProFLOW 6000 meter is designed specifically with explosive and flammable gases in mind.

The Restek ProFLOW 6000 is the only flowmeter you need for any type of chromatography gas measurement because of its wide range of capabilities. The ProFLOW 6000 is an electronic meter capable of measuring volumetric flow for most gases. Real-time measurements can be made for various types of flow paths, including continually changing gas types. This portable unit is designed for easy handheld use, and the stand adds benchtop convenience.


Restek Electronic Leak Detector

New and improved! Prevent small leaks from causing big problems with a Restek leak detector.

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  • Detects a broad range of gases and indicates leak severity with both an LED display and audible tone.
  • No more waiting for a full charge—can be operated during charging or used up to 12 hours between charges.
  • Charging kit includes both universal AC power adaptor and USB charging cable so you can charge anywhere, anytime.
  • Pinpoint very small gas leaks quickly and accurately before they cause damage and downtime.
  • Compact, handheld unit is easy to operate and convenient to use anywhere you need to check for leaks.

Click-On In-Line Super Clean Indicator

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  • Oxygen: green to grey
  • Moisture: beige to clear

Click-On In-Line Super Clean Replacement Gas Traps

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Note: Replacement trap only—fittings sold separately.

Restek Click-On In-Line Super Clean Gas Traps and Connector Kits

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  • High-purity output ensures 99.9999% pure gas.
  • Click-On fittings for easy, leak-tight cartridge changes; brass or stainless steel, 1/4" or 1/8".
  • Triple gas trap is ideal for purifying carrier gas—it contains oxygen, moisture, and hydrocarbon scrubbers in one cartridge.
  • Fuel gas trap is ideal for purifying flame ionization detector (FID) fuel gases, removing both moisture and hydrocarbons.
  • Helium-specific triple gas trap is ideal for GC-MS—it contains oxygen, moisture, and hydrocarbon scrubbers in one cartridge.

Helium-Specific Super Clean Filter and Kit

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  • Specifically designed for purification of helium in GC-MS systems.
  • Traps are packed and conditioned using helium.
  • Uses standard single-position baseplate.

Carbon Dioxide Trap

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  • Removes carbon dioxide from inert gases He, Ar, N2, H2, and clean dry air (CDA) to low ppb levels.
  • Functions by consuming carbon dioxide in a reaction with highly dispersed NaOH on a silicate support (reaction produces water which remains adsorbed in the purifier).
  • In highly critical applications, consider using an additional moisture trap after the CO2 trap as a safety measure.

Indicating Detector Gas Purifier

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  • Removes moisture and hydrocarbons (C5 and heavier) from dry air or inert gases.
  • Indicator signals breakthrough by changing from yellowish green to blue at low relative humidity to warn of leaks in the gas stream.
  • The inner glass tube contains activated carbon, moisture indicator, and molecular sieve.
  • 10 μm frits at both ends of the filter.
  • Heavy-walled inner glass tube is protected by a sealed outer plastic tube to further protect against leaks.

Indicating Carrier Gas Purifier

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  • Removes multiple impurities such as O2, H2O, CO2, CO, halogenated compounds, siloxanes, hydrocarbons (heavier than butane), sulfur-containing molecules, and ammonia from inert gases (He, Ar, N2, and H2).
  • Can be used with other filters to provide endpoint detection.
  • Contains highly sensitive visual indicators for oxygen and water contamination. The oxygen indicator signals breakthrough when the adsorbent changes from green to grey, and the moisture indicator signals breakthrough by changing from blue to brown.
  • Heavy-walled inner glass tube is protected by a sealed outer plastic tube to further protect against leaks.

Electronic Maintenance Indicators for Gas Filters

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  • Audiovisual warning system ensures maintenance is done on time.
  • Progressively displays gas filter status, preventing unplanned downtime for maintenance.
  • Can be custom configured to your replacement/maintenance schedule.

Restek Super Clean Ultra-High Capacity Oxygen Filter

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Restek Super Clean ultra-high capacity oxygen filter cartridges feature easy-to-read indicators.

The indicator code is shown on every trap so there is no confusion determining when a trap needs to be replaced.


Restek Super Clean Ultra-High Capacity Moisture Filter

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Restek Super Clean ultra-high capacity moisture filter cartridges feature easy-to-read indicators.

The indicator code is shown on every trap so there is no confusion determining when a trap needs to be replaced.


Click-On In-Line Super Clean Double Connector

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Connects any Click-On trap to a Click-On indicator.

Click-On In-Line Super Clean Connectors

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Click-On connectors allow you to change traps quickly, without introducing oxygen into your system.

Wall Mounting Bracket

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Baseplates can be mounted by using screws and the mounting holes on the baseplate, or by using this optional wall mounting bracket.

Restek Super Clean Gas Trapping System for LC-MS

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A Super Clean quick-change cartridge system efficiently removes hydrocarbons from nitrogen!
  • Designed for easy, hassle-free cartridge changes.
  • Up to 20 L of hydrocarbon-free nitrogen per minute.
  • Filters connected in parallel to handle high flows for LC-MS.

Gas Pressure Gauge Kit

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  • Use an in-line pressure gauge to indicate when a thermal gas purifier getter tube should be replaced.
  • Includes 1/8" tee and 0–100 psi (0-689k Pa) gauge.

1/8-Inch to 1/4-Inch Tube End Reducer

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To adapt 1/8" Super Clean baseplate fittings to 1/4" tubing, use 1/8" to 1/4" tube end reducers.

Replacement O-Rings for Cartridge Baseplates

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Pack includes 10 large O-rings and 10 small O-rings.

Restek Super Clean Gas Filter Kits

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  • High-purity output ensures 99.9999% pure gas (at max. flow of 2 L/min).
  • Designed for easy, hassle-free cartridge changes.
  • Glass inside to prevent diffusion; polycarbonate housing outside for safety.

Restek Filter Baseplates

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  • End fittings available in brass or stainless steel.
  • Baseplates fit all stand-alone Super Clean gas filters offered.

Hydrocarbon S-Trap

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  • Removes hydrocarbons and other contaminants.
  • Reduces organics to 0.1 ppm (assuming 100 ppm input).
  • Each individually activated to ensure maximum efficiency.
  • Fits in GC oven for easy thermal recharging.
  • Maximum operating pressure: 60 psi (414 kPa).

ECD Vent Trap

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  • Reduces the release of hazardous materials from the ECD vent into the lab.
  • Includes connecting lines and mounting kit.

VICI Mat/Sen Gas-Specific Purifier Modules

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  • Replace separate traps for removing impurities (e.g., moisture and hydrocarbons) with one multiple-bed purifier that is designed specifically for purifying helium, hydrogen, nitrogen, or air.
  • Reduce gas impurities from ppm to low ppb levels.
  • Decrease baseline noise and increase GC-MS sensitivity.
  • Pre-purged with the specified gas to shorten downtime.

High-Capacity Split Vent Trap

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  • Reduces the release of hazardous materials from the capillary split vent into the lab.
  • Includes connecting lines and mounting kit.

Refillable Hydrocarbon Trap

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  • Removes trace impurities from carrier gas.
  • Reduces organics to 0.1 ppm (assuming 100 ppm input).
  • 60 µm frit prevents gas contamination by purifier particles.
  • Good for purge-and-trap systems.
  • Refillable and rechargeable.
  • Maximum operating pressure: 125 psig (862 kPa).
  • Maximum flow: 5 L/min.

Capillary-Grade Hydrocarbon Trap

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  • Packed with an extremely high surface area, baked coconut shell–based activated carbon.
  • Purged with ultra-high-purity helium; ready to use with any carrier gas including hydrogen.
  • Reduces organics to 0.1 ppm (assuming 100 ppm input).
  • Maximum operating pressure: 250 psi (1,724 kPa).

Indicating Moisture Trap

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  • Reduces water to less than 10 ppb. Indicator changes from yellowish green to blue at 5% relative humidity (suitable for general use).
  • Pre-purged for fast stabilization.
  • Reduces noise from high-sensitivity detectors.
  • Heavy-walled glass body prevents oxygen and water infusion.
  • 10 μm frit prevents microparticulate damage to needle valves and flow controllers.
  • Maximum operating pressure: 100 psi (689 kPa).

High-Capacity Moisture Trap

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  • Purged with ultra-high-purity helium; ready to use with any carrier gas including hydrogen.
  • Reduces water to less than 15 ppb.
  • Maximum operating pressure: 250 psi (1,724 kPa).
  • Maximum flow: 1.25 L/min.

Molecular Sieve S-Trap

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  • Traps water vapor; increases column and oxygen trap lifetime.
  • Reduces baseline noise from sensitive detectors such as ECDs and mass spectrometers.
  • Activated and ready to use.
  • Reduces water to less than 1 ppm.
  • Maximum flow: 1 L/min.

High-Capacity Oxygen Trap

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  • Removes up to 135 ml of oxygen or 2 g of water.
  • Long life—typically purifies more than 480 cu ft of inert gas.
  • Reduces oxygen to 15 ppb.
  • Maximum operating pressure: 250 psi (1,724 kPa).
  • Flow: 3 L/min @ 32 psi (221 kPa).

Replacement Chemical Traps and Parts

for Agilent GCs

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  • Easy to install.
  • Attach to same fittings as original manufacturer's equipment.

Indicating Oxygen Trap

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  • Removes oxygen to low ppb levels from He, Ar, N2, or methane.
  • Indicator changes from green to gray when adsorption capacity is depleted.
  • Can be used with nonoxidizing gases such as He, Ar, N2, H2, or CH4.
  • Heavy-walled inner glass tube is protected by a sealed outer plastic tube to prevent oxygen and water infusion.
  • Prepurged for fast stabilization.
  • 100 psi (689 kPa) maximum operating pressure.
  • Reduces oxygen to 100 ppb.
  • 10 µm frits at inlet and outlet.
  • Optimal flow rate: < 150 mL/min.

Restek Gas Management System

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  • Removes moisture, hydrocarbons, and oxygen from carrier gas, extending column lifetime.
  • Produces high-purity carrier gas for most applications.
  • Includes one each: moisture, hydrocarbon, and indicating oxygen trap.
  • Replacing traps is safe and easy.
  • Maximum flow: 150 cc/min for optimal performance.

Charging Accessories for Restek Electronic Leak Detector (cat.# 28500)

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For current leak detector model only (cat.# 28500); not compatible with legacy model (cat.# 22655).

Small Probe Adaptor for Restek Electronic Leak Detector

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Compatible with both current (cat.# 28500) and legacy (cat.# 22655) leak detector models.

Replacement Gas Filters for Restek Super Clean Gas Filter Kits

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  • High-purity output ensures 99.9999% pure gas (at max. flow of 2 L/min).
  • Designed for easy, hassle-free cartridge changes.
  • Glass inside to prevent diffusion; polycarbonate housing outside for safety.
  • All traps measure 10 5/8" x 1 3/4" (27 x 4.4 cm).

Soft-Sided Storage Case for Restek Leak Detector or ProFLOW 6000 Electronic Flowmeter

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Optional soft-sided storage case is ideal for storing your leak detector or flowmeter in smaller spaces, such as your toolbox.

Compatible with both current (cat.# 28500) and legacy (cat.# 22655) leak detector models.


Power Adaptors for Legacy Restek Electronic Leak Detector (cat.# 22655)

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For legacy leak detector model only (cat.# 22655); not compatible with current model (cat.# 28500).

Restek Domestic Customer Service

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