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Respirator Maintenance and Storage

A respirator left on a dusty dashboard or hung in a hot shed may not seal or filter the way it should. Care and storage are part of protection.

Why does care matter?

Respirators are safety equipment, and they wear out. Straps lose their stretch, valves collect grime, facepieces crack, and filters clog or get contaminated. Any of those problems can reduce protection without you noticing.

Dust, heat, sunlight, chemicals and moisture all shorten the life of respirator parts. Storing a respirator in a safe, clean place and checking it before use are small habits with real payoff.

Follow the manufacturer's instructions for your model. They are the primary source for cleaning, replacement and storage, and official OSHA guidance expects you to do so.

What should you check before each use?

Take a minute to look over the respirator in good light. Inspect the facepiece, straps, valves and filters for damage. If anything looks cracked, warped, stiff, sticky or dirty, do not use it.

Then put it on and perform the seal check described in the manufacturer's directions. If you cannot get a good seal, change size or model, or ask a trained person for help.

Do not use a respirator that you cannot confidently check.

• Cracks, tears or stiffness in the facepiece
• Stretched or broken straps and buckles
• Damaged or missing valves and gaskets
• Clogged, wet or damaged filters and cartridges
• Missing parts or signs of tampering

How do you clean a reusable respirator?

Reusable facepieces need regular cleaning and disinfection. Follow the manufacturer's method, since materials differ and some cleaning agents can damage parts. Remove filters and cartridges first if the instructions say so.

Rinse and let parts dry in a clean place away from direct heat. Do not dry them on a hot engine or heater, and do not reassemble until everything is dry.

If the respirator is used by more than one person, it should be cleaned and disinfected between users, though a personal assigned respirator is better.

What about disposable respirators?

Disposable filtering facepieces are not designed to be cleaned. Replace them when they are damaged, soiled, wet, hard to breathe through, or when the manufacturer's instructions say so.

Tossing used masks into a pocket or onto the truck seat can damage them and contaminate your clothes or vehicle. Keep spares in a clean sealed bag at the point of use.

If a disposable mask has been exposed to certain chemicals, follow the label or safety data sheet on how to handle and dispose of it.

How should you store respirators?

Store them in a clean, dry, sealed container or bag away from dust, sunlight, extreme heat or cold, moisture and chemicals. A resealable bag or a dedicated case works well. Avoid leaving them in tractor cabs or on dashboards.

Keep the facepiece in a shape that avoids bending or crushing so the sealing surface stays intact. Do not hang it by the straps for long periods unless the maker says it is fine.

Store the respirator where you can find it quickly but where children, pets and dirty tools cannot reach it.

When do filters and cartridges need replacing?

Particle filters are generally replaced when they get dirty, damaged, or breathing becomes noticeably harder. Cartridges for gases and vapors have limited life and cannot be judged by smell alone, so follow the manufacturer and the safety data sheet.

Mark the date a cartridge is opened, and record when it is replaced. Do not store opened cartridges where vapors can reach them, because they can continue to take up contaminants even when not in use.

Never use a filter or cartridge that is past its labeled date, and do not mix parts from different manufacturers unless approved.

Who can help if you are unsure?

Your supplier's technical staff, an occupational health professional, extension, and OSHA publications can all answer questions about care. Ask for hands-on guidance if you are new to reusable respirators.

If you feel unwell while wearing a respirator, leave the area for fresh air, and call 911 if the problem is serious.

Teach everyone who uses a shared supply how the system works. A simple labeled bin for clean masks and another for used ones prevents mix-ups, and a short note on the lid with replacement reminders saves guesswork in a rush.

Last reviewed: November 12, 2026. Written by the Farm Safety Editorial Team. See our editorial policy.