PreVent Models

PreVent air intake filter screens fit on the outside of HVAC systems and other types of equipment, keeping contaminants from entering the system and protecting vulnerable interior components like electronics, fill material, fins, and coils. PreVent air intake filters are custom-made in the USA to fit any outdoor or indoor air intake, with multiple mounting options.  The filters can be simply brushed, vacuumed, or hosed clean, with zero downtime.

We offer the fastest turnaround in the industry and a five-year warranty. No more “out of sight, out of mind” because you can see the dust and dirt build up on the outside of your equipment air intake filters.

Cottonwood Air Intake Filter Solutions

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Model U

Commonly called cottonwood screens, air intake filter screens capture airborne particulates before they can enter your HVAC system fins, louvers, coils or fill material.  Flexible vinyl frame with grommets mounts easily onto the front of your HVAC air intake.  Easy to see dirt build-up and easy to clean BHC electrostatic polypropylene media in 1 or 2 layers will capture more finer particles than BHA.

PreVent Model BHA

Model BHA

Commonly called cottonwood screens, air intake filter screens capture airborne particulates before they can enter your HVAC system fins, louvers, coils or fill material.  Flexible vinyl filter frame with grommets mounts easily onto the front of your HVAC air intake.  Easy to see dirt build-up and easy to clean BHA high abrasion media in 1 layer captures larger particles in harsh outdoor conditions.

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Model R

Keeps equipment like compressors, electronic enclosures, portable cooling, process equipment or food service coolers running clean.  Rigid 1/4″ steel filter frame slides easily into filter holding channels or magnetically attaches to the outside of the enclosure intake with metal stripping. Easy to see dirt build-up and easy to clean BHC electrostatic polypropylene media in 1 or 2 layers depending on particle size.

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Model PF

Replaces hard to clean metal mesh prefilters in fresh air intakes.  Rigid 1″ or 2″ steel filter frame slides easily into existing filter rack systems.  Use as a prefilter to extend the life of bag, pleated or v-bank style air filters from harsh outdoor elements like cottonwood.  Easy to clean BHC electrostatic polypropylene media captures larger particles before they can clog interior high efficiency filters.

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3-D Bonnet

Protect equipment motors, workers, and products from harmful airborne processing contaminants with bonnet style equipment protection air filters. Flexible elastic filter frame mounts easily onto the front of any fan guard, from recirculating fans to large HVAC fans.   Easy to see dirt build-up and easy to clean BHC electrostatic media in 1-layer captures particles before they can be recirculated.

PreVent Fan Guard Filter

3-D Fan Shroud

Protect equipment motors, workers, and products from harmful airborne processing contaminants with fan shroud style equipment protection air filters. Flexible elastic filter frame mounts easily onto the back of any fan guard, with a motor cut-out and hook/loop closure.  Easy to see dirt build-up and easy to clean BHC electrostatic media in 1-layer captures particles before they can be recirculated.

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3-D Ceiling Diffuser

Protect equipment motors, workers, and products from harmful airborne processing contaminants with fan shroud style equipment protection air filters. Flexible elastic filter frame mounts easily onto the back of any fan guard, with a motor cut-out and hook/loop closure.   Easy to see dirt build-up and easy to clean BHC electrostatic media in 1-layer captures particles before they can be recirculated.

Sock Style Bonnet Filter

3-D Sock Style Vent Cap

Protect equipment, workers, and products from harmful airborne processing contaminants with sock style air filters. Flexible elastic filter frame mounts easily onto inlet or outlet vents.   Easy to see dirt build-up and easy to clean BHC electrostatic media in 1-layer captures particles before they can be recirculated or blown outside, only to be pulled into nearby HVAC air intakes.

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3-D Square Vent Cap

Protect equipment workers and products from harmful airborne processing contaminants with square vent cap style equipment protection air filters. Flexible elastic filter frame mounts easily onto inlet or outlet vents.   Easy to see dirt build-up and easy to clean BHC electrostatic media in 1-layer captures particles before they can be recirculated or blown outside, only to be pulled into nearby HVAC air intakes.

PreVent Wrap Around

Wrap-Around AC Filter

Keeps the fins and coils of residential outdoor air conditioner units clean and running efficiently.  This universally designed wrap-around style filter attaches with bungee cords.  Easy to see dirt build-up and easy to clean BHA high abrasion media cuts to fit up to 38″ X 110″ units.

MagnaMount Plastic Mount Clips

MagnaMount Clips

Magnetic air filter mount clips reduce Models U or BHA installation time and require no tools.  A unique, patented way to install PreVent filters Model U or BHA or HailStop® hail guard netting onto the outside of HVAC air intakes. Strong neodymium “earth” magnets tested for 100 MPH wind speed can be repositioned as needed.

Plastic Mount Clips

Screw-In Mount Clips

Use these durable black plastic mount clips to attach PreVent Model U or BHA filters  that contain 3/8″ grommets on the vinyl filter frame or HailStop hail guard netting to HVAC air intakes. Clip with self-tapping screws, has a moveable tab that opens and closes for secure installation and easy removal for maintenance.

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EZ-Rail System

A new, patent-pending mount option, the PreVent EZ-Rail System ™ is used to install either our PreVent filter screen Models U or BHA tightly onto MAUs with minimal air bypass. Intake filters will easily slide in and out of the track system for critical maintenance without needing ladders or lifts.

PreVent Cooling Tower Filter System

Pulley Mount Kit

A new mount option, Model CTFS is used to install our PreVent BHA filters over large cooling tower air intakes.  This makes it simple to clean extra-large PreVent screen installations by simply lowering the screen to clean and then quickly lift it back up into place on cooling towers.

#1 for data center air filtration solutions

Permatron’s data center air filtration products can be found coast-to-coast in some of the world’s largest data centers, and in Fortune 500 companies, hospitals, schools, high-rises, and anywhere that air quality impacts the health and performance of people and equipment.

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Keep crypto mining infrastructures cool and business costs down

Mining equipment running 24/7 takes a lot of power, requiring a considerable investment to set up a cool, well-ventilated, and remote space to install your mining farm. Learn more about how our PreVent filters improve cooling tower reliability and efficiency.

Permatron’s PreVent prefilters capture outside contaminants from getting into your HVAC system.

PreVent Installation Cooling Tower

Cooling Towers

Designed to combine outside air with water throughout the tower’s extended surface to induce cooling. Capture airborne contaminants before they clog cooling tower fill material and contaminate the water.

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Chillers

Designed to play a critical role by helping temperatures indoors stay at a comfortable cool level for the people and process equipment inside. Keeping facilities cool reduces overheating which causes breakdowns.

PreVent Protects Make Up Air Units

Make-Up Air Units

Designed to push fresh outdoor air into an indoor space and play a crucial role in air rate exchange. Easily mounted on the outside of a MUA unit, prefilters will extend the life of high efficiency interior air filters.

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Dry Coolers

Reduces the need for time-consuming coil cleaning in hard to reach or tight working areas. PreVent air intake filters, in comparison, can quickly be brushed, rinsed or vacuumed clean.

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Reach-In Coolers

Reach-in coolers are designed to safely store food products within easy reach, while foot traffic dust can clog the air intake of critical refrigeration components.

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Electronic Enclosures

Designed to keep sensitive electronics from external contaminants, enclosures keep systems running smoothly. The contents inside can also heat up, and  commonly equipped with cooling systems that require clean air.

PreVent System Frequently Asked Questions

Are the air filter screens washable?

Yes, our PreVent filters are washable. They can be simply sprayed with a detergent and water rinsed or vacuumed for dirt removal.

How often do I need to clean my cottonwood screen?

It depends on the environment around you, and the time of year. For example, cottonwood trees can lose their seedlings from May through October. During the worst of the season, you may want to check the screen every week or two, although typically you can check it less often.

Is a cottonwood screen and an air intake screen the same thing?

Yes. Because cottonwood is such a significant problem in some areas, many people refer to the product as a “cottonwood screen” or a “cottonwood filter.” Because the screen fits over an air intake opening, they are also commonly referred to as an “air intake screen” or “air intake filter,” particularly in areas where cottonwood is not a significant problem.

Does a PreVent filter come with a warranty?

Yes, our PreVent filters, like many of our filters, come with a 5-year warranty.

Will my PreVent cottonwood screen fit my air intake?

Our PreVent air intake filters are custom-made and so can fit any air intake, no matter how big or small. We can design them to fit into any shape or size, including around pipes or other obstacles.

Does Permatron offer free samples? If so, what are the next steps?

Please fill out the free sample order form and learn more on how to request your free sample, click here.

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