With a gasketed sealing kit, these louvers shield your enclosure from dirt, moisture, and weather while regulating heat and stopping condensation from forming inside.

Sized to replace block or bricks.

Get an exact fit for your opening by sliding out these louvers to the width you need.

Designed with blades that drain water down the jambs, these louvers keep water from running down the front of the blades, even in harsh weather.

Made of PVC, these louvers stand up to acids, alkalies, salts, and corrosive vapors in harsh environments and won’t rust.

Allow air to circulate through doors while maintaining privacy.

Place these grilles in the grid of a drop ceiling.

No additional fittings or collars needed.

These dampers regulate airflow.

A vapor barrier provides moisture protection as these diffusers spread hot or cold air around a room.

Diffusers come with a collar and damper already in place for simple installation.

Direct air coming out of HVAC systems. Adjust the damper to control airflow.

Guide air toward your workspace or deflect unwanted drafts with these diverters and covers.

Made of PVC plastic to withstand acids, alkalies, salts, and other corrosive vapors and fumes.

Save energy and increase comfort by heating and cooling only the areas that need it.

In the event of a fire, these dampers automatically stop airflow through duct.

Use in dust collection systems. The slide pushes through the top of the gate to clear debris.

More convenient than other blast gates, these automatic gates open and close in sync with dust collectors, fume exhausters, and other machines.

Cover chimneys to reduce downdrafts and prevent obstructions from entering.

Built to withstand temperatures up to 1000° F, these vent pipes and fittings are for use with boilers, furnaces, stoves, and other equipment that is fired by coal, gas, oil, propane, or wood.

Shield outdoor pipe and tank openings from the environment. Also known as vent caps, these breather vents have screens to allow air flow while blocking debris.

These breather vents are rated NEMA 6 to withstand periodic submersion in water.

Add a filling port to your hydraulic tank while protecting against excess pressure and vacuum.

Keep moisture, dirt, and debris from entering your oil reservoirs.

A small hex size makes these high-flow mufflers a great fit for cramped spaces.

Adjust the flow by turning the screw. Use these mufflers with air-powered tools and cylinders to reduce noise and filter exhaust fumes.

Made entirely of stainless steel, these mufflers stand up to harsh, corrosive environments.

Replace your muffler less often—these have a filter design that stays clean longer than porous mufflers.

With a threaded connection on both ends, these mufflers can be installed anywhere in your line.

Install these mufflers in air-powered drills and other loud equipment. They filter exhaust fumes and reduce noise by 30 dB, a reduction that's equivalent to putting in earplugs.

Suitable for use with welding equipment, these mufflers are made of flame-resistant materials. They reduce noise by 35 dB.

Shield vents on electronic and automotive equipment, such as cell phone microphones, from water, dirt, and debris without blocking them entirely.

Purify exhaust fumes while silencing the noise from your oil-free high-vacuum pumps.

Suitable for food, pharmaceutical, and other sanitary environments, these steam traps are made of 316 stainless steel with a Viton® fluoroelastomer O-ring to stand up to frequent washdowns with harsh cleaners and sanitizers.

When close to steam temperature, these traps—also called thermodynamic steam traps—release condensate from steam lines to save energy in food, pharmaceutical, and other sanitary environments.

Also known as thermostatic steam traps, these vent cool air and condensate to increase energy efficiency in your steam lines.

These steam traps offer good corrosion resistance.

Use these vents to maintain consistent pressure as temperatures fluctuate by allowing air to flow through sealed enclosures.

Rated NEMA 4X, these vents provide protection from washdowns, corrosion, and power jets of water.

No threaded hole or tools needed—snap these vents into enclosures with a maximum 1/8” panel thickness to let airflow in and keep water out even when submerged.

Mount to the outside of your enclosure to prevent moisture from being trapped inside.

These conductive aluminum screens block electromagnetic interference (EMI) and radio frequency interference (RFI) to prevent electrical problems such as radio static and faulty signals. Made of mesh, they let air flow through, so the pressure in your enclosure stays constant as temperatures fluctuate.

Safe for use around flammable and combustible gases, vapors, fibers, and dust, these drains let moisture buildup from temperature changes inside enclosures drip out to keep electronics dry.

Secure cable installed through enclosures in wet environments while venting air to protect electronics from condensation.

These valves are made of corrosion-resistant materials for use in wet conditions and harsh environments.

For excellent corrosion resistance in wet conditions and harsh environments, these valves have no metal parts.

An internal wire brush traps air bubbles and discharges them through the top relief port while allowing inline flow from the inlet to the outlet.

Our only air-release valves for steam, these seal shut when steam enters the valve to prevent system contents from escaping through the relief port.

For a low-pressure seal around plastic and soft metal tubing, these valves have push-to-connect fittings.

Alter the set pressure to suit your application.

A finely threaded adjustment screw lets you make precise set pressure adjustments.

To gradually relieve pressure in lines for diesel fuel, fuel oil, gasoline, and kerosene, these valves begin opening at the set pressure and fully open at about 10% over the set pressure.

These valves are often used with catalysts, pH buffers, and electroplating solutions.

With a three-port design, these valves allow inline flow from the inlet to the outlet during normal conditions and divert flow through the relief port in overpressure conditions. They are often used with feed pumps for fertilizers and bleach.

Body is brass or nickel-plated brass. All meet ASME Code Section VIII for use with air and inert gas pressure vessels.

Change set pressure to suit your application—this valve includes four interchangeable color-coded springs with different set pressure ranges.

With a 316 stainless steel body for exceptional corrosion resistance, these valves are often used in wet conditions and harsh environments. All meet ASME Code Section VIII for use with air and inert gas pressure vessels.

Commonly used with high-volume blowers, compressors, and air-powered conveyors, these valves quickly relieve a large amount of air in systems with a pipe size of 2 or greater. All meet ASME Code Section VIII for use with air and inert gas pressure vessels.

Use these valves with liquid argon, liquid nitrogen, and liquid oxygen.

Choose these valves for small steam-heating boilers requiring pressure relief between 5 psi and 12 psi.

For use with low-pressure steam-heating boilers requiring pressure relief at 15 psi, these valves meet ASME Code Section IV.

These valves meet ASME Code Section VIII for use with water pressure vessels.

Direct-drive fans have fewer moving parts than belt-drive fans for less maintenance.

Direct-drive fans have fewer moving parts than belt-drive fans for less maintenance.

These light duty fans are designed for use without duct.

Rust won't be a problem with the durable plastic housing and louvers on these fans.

Better suited for dirty, dusty, and damp environments than standard direct-drive fans, these have a totally enclosed motor enclosure.

Good when you don't have room to mount an exhaust fan inside your facility, these fans attach to an outside wall and work with or without duct.

Exhaust air and humidity directly into the outdoors without using duct.

These fans have a light that can operate alone or share a switch with the fan.

Increase airflow through exhaust duct to improve furnace performance.