Respiratory
Respirators & Respiratory Protection Equipment
OSHA 29 CFR 1910.134 requires employers to establish a written respiratory protection program whenever engineering and administrative controls do not reduce worker exposure to airborne contaminants to or below the permissible exposure limit (PEL). The program must include hazard assessment, respirator selection, medical evaluation, fit testing, training, and maintenance. All respirators must be NIOSH-approved — non-NIOSH devices are prohibited for compliance use.
Safe-Fast stocks 19 respiratory protection products across three subcategories, primarily from 3M and GSS Safety:
- Disposable Respirators — NIOSH-approved filtering facepiece respirators for particulate and combined hazards:
- 3M N95 Disposable Respirator — NIOSH-approved for at least 95% filtration efficiency against non-oil-based particulates. Standard for dust, mist, and fume applications in construction, mining, and manufacturing.
- 3M N95 Disposable with Cool Flow™ Valve — same N95 filtration with an exhalation valve for reduced heat and moisture buildup; ideal for hot, dusty, or high-exertion work.
- 3M Half-Face Disposable Assembly, OV/P95 — NIOSH-approved against organic vapors and P95 particulates; for spray painting, pesticides, and chemical handling applications.
- Full & Half Mask Reusable Respirators:
- 3M 6000 Series Half-Face Respirator — durable facepiece for a wide variety of gases, vapors, and particulates with 3M 6000 Series cartridges. Available S/M/L.
- 3M 7500 Series Half-Face Respirator — silicone facepiece with 3M Cool Flow™ exhalation valve; softer seal for improved comfort on longer wear. Uses 6000 and 2000 Series cartridges.
- 3M 6000 Series Full-Face Respirator — full-face lens provides combined respiratory and eye protection against gases, vapors, and particulates. NIOSH-approved with 6000 Series cartridges.
- 3M Welding Respirators — designed for metal fumes from welding, brazing, grinding, and metal pouring; minimum 95% efficiency for solid and liquid aerosols.
- Accessories — replacement filters, cartridges, and adapters for 3M reusable respirators:
- 3M Dust Mist Filter 2071 (P95) — bayonet-mount P95 particulate filter for oil and non-oil based particulates ($7.57).
- 3M Dust Mist Paint Pre-Filter 5N11 (N95) — N95 pre-filter pad for 3M 5000 Series respirators and 6000 Series cartridges ($21.72).
- 3M HEPA Filter Adapter 502 — attaches 3M 2000 Series particulate filters to 5000 Series respirators and 6000 Series cartridges.
- 3M Pre-Filter Retainer — retains 3M Filters 5911/5925/5935 in place on 5000 Series and 6000 Series.
Safe-Fast provides respirator fit testing services per OSHA 1910.134 requirements — quantitative and qualitative fit testing with documentation. OSHA requires fit testing annually and when a different respirator model is selected. Call 1-800-723-3620 to schedule.
There are no products listed under this category.
Respirators & Respiratory Protection — Frequently Asked Questions
The NIOSH filter rating system uses a letter and number to identify the filter's oil resistance and filtration efficiency:
- N (Not oil resistant): not approved for use against oil-based aerosols. Suitable for dust, mist, fumes, and non-oil particulates.
- R (oil Resistant): resistant to oil-based aerosols for a single work shift only (8-hour limit on oil-based aerosol use).
- P (oil Proof): strongly resistant to oil-based aerosols; no time limit restriction for oil-based aerosol use.
- 95, 99, 100: the percentage filtration efficiency for particles 0.3 microns and larger. 95 = 95% efficient; 99 = 99%; 100 = 99.97% (effectively HEPA-equivalent).
The most common respirator in industrial settings is N95 — not oil-resistant, 95% efficient — suitable for most dust, mist, and fume applications where oil aerosols are not present.
A disposable N95 filters particulates only. A half-face reusable respirator with appropriate cartridges protects against a wider range of airborne hazards:
- Organic vapors (OV): solvents, paints, adhesives, fuels — requires activated carbon OV cartridges (3M 6001 series)
- Acid gases: chlorine, hydrogen chloride, sulfur dioxide — requires acid gas cartridges (3M 6003)
- Combined OV + particulate: spray painting, pesticides — OV/P100 combination cartridges
- Metal fumes: welding, soldering — welding respirator with N95/P95 filters
Use a half-face or full-face respirator with the correct cartridge whenever the contaminant is a gas, vapor, or oil-based aerosol that N95 filtering facepieces cannot protect against. Consult OSHA 1910.134 and the SDS for the chemical involved to determine the required APF (assigned protection factor) and cartridge type.
Yes. OSHA 29 CFR 1910.134(f) requires that employers provide fit testing for all workers required to use a tight-fitting facepiece respirator (N95 disposables and half/full face reusables). Fit testing must be performed:
- Before the employee is required to use the respirator in the workplace
- Annually — once per year at minimum
- Whenever the employee changes to a different make, model, style, or size of respirator
- If the employee has a physical change in facial features that could affect fit (significant weight change, dental work, facial surgery)
Safe-Fast provides qualified fit testing services — both qualitative (QLFT) and quantitative (QNFT) methods — with written documentation for OSHA compliance records. Call 1-800-723-3620 to schedule.
Respirator cartridges have a finite service life that depends on the airborne concentration of contaminants, the breathing rate of the wearer, humidity, and temperature. There are two approaches to cartridge change-out:
- Change schedule (recommended for organic vapor): OSHA requires employers to develop a change schedule based on objective information demonstrating cartridge service life. Published end-of-service-life indicators (ESLI) or manufacturer software tools can determine replacement frequency for specific chemicals and exposure conditions.
- Sensory detection (unreliable and not OSHA-preferred): Changing cartridges only when you smell the chemical means you have already been exposed beyond the cartridge's protection. This is not an acceptable change schedule for most applications under OSHA 1910.134.
Particulate filters (N95, P95, P100) should be replaced when breathing resistance increases significantly, when they are damaged, or per manufacturer schedule. P100 filters for HEPA applications should not be washed.