Filters and Filtration

Filters and Filtration








Filtered Search Results

Cytiva Whatman™ PM 2.5 Air Monitoring Filters
Low-chemical-background filters permit sensitive, interference-free determinations
Sartorius Environmental Air Monitoring Gelatin Membranes

Collect airborne microbes and viruses. Sartorius Environmental Air Monitoring Gelatin Membranes guarantee reliable and accurate results. They are sterile and water soluble with a high retention rate. Choose from a range of sizes in single-wrapped disposable filters with holders or packs of filter disks.
Thickness (Metric) | 250 μm |
---|---|
Pore Size | 3.0 μm |
Wettability | Water soluble |
Material | Gelatin |
Sterility | Sterile |
Cytiva Whatman™ QM-B Quartz Microfiber Filters
Designed for use in specific air monitoring applications
Cytiva Whatman™ Grade GF/A Card-Mounted Filters
For use in static sample and personal air sampler applications. These aerosol sampling and particulate monitoring filters provide high flow rates and minimal sample interference.
Pall Pallflex Emfab™ Air Monitoring Filters - TX40HI20WW, 47 mm (100/pkg)
Versatile Filters Uniquely Suited for a Broad Range of Air Monitoring ApplicationsUseful for high temperature and hot gas air monitoring applications.Ideal for stack sampling and diesel emissions testing. This product is not approved for use in medical, clinical, surgical or other patient applications.

Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
Pall Pallflex Emfab™Air Monitoring Filters - TX40HI20WW, 25 mm (100/pkg)
Versatile Filters Uniquely Suited for a Broad Range of Air Monitoring ApplicationsUseful for high temperature and hot gas air monitoring applications.Ideal for stack sampling and diesel emissions testing. This product is not approved for use in medical, clinical, surgical or other patient applications.

Non-distribution item offered as a customer accommodation; additional freight charges may apply.
Learn More
MilliporeSigma™ Aerosol Analysis Monitors, 37 mm
Millipore's 37 mm Aerosol Analysis Monitors are transparent, disposable, plastic filter holders for use with Type MF (mixed cellulose esters) Millipore filters. A thin cellulose support seals the filter between monitor sections to distribute sample flow evenly over the filter surface.
Material | Polystyrene |
---|
Cytiva Whatman™ Grade QM-A Microfiber Filter
High-purity quartz filters for air sampling filter applications.
Cytiva Grade GF/A Filter for Personal Air Samplers
These aerosol sampling and particulate monitoring filters provide high flow rates and minimal sample interference. Cytiva Whatman Grade GF/A card-mounted filters are used in static sample and personal air sampler applications.
Restek™ radiello™ Passive Diffusive Air Sampler Body
Supplier Diversity Partner
Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More

Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More
Higher uptake rate and capacity, for any given length of sampling without bias from back diffusion. Versatile & easy to use for a wide range of chemical classes. Water repellant body and reusable holders. No pump required.
For Use With (Equipment) | radiello™ Passive Air Samplers |
---|---|
Quantity | 20 |
Material | Mixed |
For Use With (Application) | Personal Air Sampling |
Restek™ radiello™ Passive Diffusive Air Sampler Cartridges
Supplier Diversity Partner
Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More

Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More
Higher uptake rate and capacity, for any given length of sampling without bias from back diffusion. Versatile & easy to use for a wide range of chemical classes. Water repellant body and reusable holders. No pump required.
For Use With (Equipment) | radiello™ Passive Air Samplers |
---|---|
Quantity | 20 |
For Use With (Application) | Personal Air Sampling |
Restek™ radiello™ Passive Diffusive Air Samplers Accessories
Supplier Diversity Partner
Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More

Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More
Higher uptake rate and capacity, for any given length of sampling without bias from back diffusion. Versatile & easy to use for a wide range of chemical classes. Water repellant body and reusable holders. No pump required.
For Use With (Equipment) | radiello™ Passive Air Samplers |
---|---|
For Use With (Application) | Personal Air Sampling |
Restek™ Tubes with Stopper For radiello™ Passive Diffusive Air Samplers
Supplier Diversity Partner
Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More

Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More
Higher uptake rate and capacity, for any given length of sampling without bias from back diffusion. Versatile & easy to use for a wide range of chemical classes. Water repellant body and reusable holders. No pump required.
For Use With (Equipment) | radiello™ Passive Air Samplers |
---|---|
Color | Clear |
Quantity | 100 |
For Use With (Application) | Personal Air Sampling |
Restek™ radiello™ Passive Diffusive Air Samplers Thermometer Accessories
Supplier Diversity Partner
Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More

Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More
Higher uptake rate and capacity, for any given length of sampling without bias from back diffusion. Versatile & easy to use for a wide range of chemical classes. Water repellant body and reusable holders. No pump required.
For Use With (Equipment) | radiello™ Passive Air Samplers |
---|---|
Material | Mixed |
For Use With (Application) | Personal Air Sampling |
Restek™ radiello™ Passive Diffusive Air Samplers Starter Kit
Supplier Diversity Partner
Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More

Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More
Higher uptake rate and capacity, for any given length of sampling without bias from back diffusion. Versatile & easy to use for a wide range of chemical classes. Water repellant body and reusable holders. No pump required.
Quantity | 1 |
---|---|
Material | Mixed |
For Use With (Application) | Personal Air Sampling |
Environmental Express™ Air Filter Cellulose Support Pads
Ideal for air particle monitoring and environmental testing
Restek™ radiello™ Passive Diffusive Air Samplers Triangular Plates & Clips
Supplier Diversity Partner
Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More

Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More
Higher uptake rate and capacity, for any given length of sampling without bias from back diffusion. Versatile & easy to use for a wide range of chemical classes. Water repellant body and reusable holders. No pump required.
For Use With (Equipment) | radiello™ Passive Air Samplers |
---|---|
Quantity | 20 |
For Use With (Application) | Personal Air Sampling |
Restek™ radiello™ Passive Diffusive Air Samplers Outdoor Sampling Shelter Accessories
Supplier Diversity Partner
Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More

Small and/or diverse supplier based on Federal laws and SBA requirements.
Learn More
Higher uptake rate and capacity, for any given length of sampling without bias from back diffusion. Versatile & easy to use for a wide range of chemical classes. Water repellant body and reusable holders. No pump required.
For Use With (Equipment) | radiello™ Passive Air Samplers |
---|---|
For Use With (Application) | Personal Air Sampling |
Fisherbrand™ Qualitative Grade Plain Filter Paper Circles and Sheets - P4 Grade
Ideal for clarifying and removing particles of 1μm and larger, and in applications that do not require a low-ash or ashless paper

Particle Retention | 4 to 8μm |
---|---|
Flow Rate | Slow: 25mL/min. |
Format | Circle |
Grade | P4 |
Filtration Speed | 730 sec. |
Porosity | Medium Fine |
For Use With (Application) | General purpose: slightly slower, more retentive than P5. Retains MgNH4PO4, silver sulfide, cadmium sulfide. In air monitors, collects particulates and chromic acid mist |
MilliporeSigma™ MF-Millipore™ Membrane Filter, 8 μm

Mixed cellulose esters (MCE) membrane, hydrophilic

Pore Size | 8 μm |
---|---|
Material | Mixed Cellulose Esters (MCE) |
For Use With (Application) | For use in air monitoring; Fluid monitoring; Particle collection and analysis; QC of fluid holding tanks. |
MilliporeSigma™ Quartz Fiber Membrane Filter Without Binder, Sheets
Does not react with acidic gases, which can cause false readings. Quartz Fiber Membrane Filter without Binder is an 8 in. x 10 in. sheet of hydrophilic quartz fiber. These filters are often used in ambient air monitoring for particulate matter and heavy metals.
MilliporeSigma™ Supelco™ Quartz Filter, 32 mm
Quartz Filter along with filter cartridge assembly enables simultaneous sampling of both the gas and particulate fractions
MilliporeSigma™ Supelco™ radiello™ Outdoor Shelter
A polypropylene protective outdoor shelter for housing up to four radiello™ samplers during outdoor/ambient air sampling.
MilliporeSigma™ Supelco™ radiello™ Barcode Labels
Each self-adhesive label allows users to record sampling date/time and displays a unique barcode for the unmistakable identification of the cartridge adsorbent during sampling, desorption, and analysis.
MilliporeSigma™ Supelco™ radiello™ Filtration Kit
Ideal for filtering aqueous samples prior to reversed-phase HPLC and ion-chromatography
MilliporeSigma™ Supelco™ radiello™ Cartridge Adsorbents
Several different radiello™ cartridge adsorbents are available. Each of which are specific for sampling different classes of compounds.
Type | DBA-Impregnated Glass Fiber Filter |
---|---|
For Use With (Equipment) | LC-MS or LC-MS/MS |
MilliporeSigma™ Supelco™ radiello™ Triangular Support Plate
Acts as both a closure and means of suspension for the radiello™ diffusive body and cartridge adsorbent during passive air sampling
MilliporeSigma™ Supelco™ radiello™ On-Field Thermometer Reader
Connects the radiello™ On-Field thermometer to your PC (via RS232 serial port)