Description
The MSA Advantage 420 Half-Mask Respirator is a half mask with Advantage bayonet. Our part numbers: 10102182 (Small), 10119576 (Threaded Adapters · S), 10119575 (Medium, twin with Comfo adapter), 10119574 (Large, twin with Comfo adapter). Facepiece Liquid Silicone, Nylon; Yoke Polyoxymethylene; ComforTop Harness Polyester, Lycra; Inhalation Valve Neoprene; Exhalation Valve Liquid Silicone; Neck Buckles Polypropylene. Sizes Small, Medium, Large. Ships in 1–2 business days; most orders arrive in 3–7 business days. Advantage 420 Half-Mask: every cartridge, filter, part and NIOSH approval on one page.
MSA Advantage 420 Half-Mask Respirator specifications
| Item | Manufacturer data |
|---|---|
| Facepiece type | Half mask |
| Sizes | Small, Medium, Large |
| Our part numbers | 10102182 (Small), 10119576 (Threaded Adapters · S), 10119575 (Medium, twin with Comfo adapter), 10119574 (Large, twin with Comfo adapter) |
| Other versions MSA lists | 10102183 (Medium), 10102184 (Large) |
| MSA note | Advantage 420 Assembly (includes facepiece, head cradle, elastic straps, buckle set, yoke with lever, two (2) inhalation valves, one (1) exhalation valve) |
| Materials | Facepiece Liquid Silicone, Nylon; Yoke Polyoxymethylene; ComforTop Harness Polyester, Lycra; Inhalation Valve Neoprene; Exhalation Valve Liquid Silicone; Neck Buckles Polypropylene |
| Cartridge connection | Advantage bayonet cartridges; can be used with plastic Advantage Cartridges or threaded metal Comfo Cartridges. Adapter part number 809999 must be purchased to use Comfo Cartridges. (MSA Advantage 420 data sheet 1012-57-MC) |
| Head harness | 4-point (us.msasafety.com Advantage 420 product page spec Harness Style); Patented yoke and harness design enables quick and easy switch between lock-down and drop-down modes (MSA Advantage 420 data sheet 1012-57-MC) |
| Weight | 0.331 LB (0.150 KG) (us.msasafety.com Advantage 420 product page, pn 10102182 Small) |
| Dimensions | Height 6.299 IN (160.000 MM); Length 10.000 IN (254.000 MM); Width 5.709 IN (145.000 MM) (us.msasafety.com Advantage 420 product page, pn 10102182 Small) |
| Latex | Completely latex-free (MSA Advantage 420 data sheet 1012-57-MC); Faceblank is latex free (MSA Advantage 420 data sheet 1012-57-MC) |
| MSA statement | Mask can be adjusted to wearer for a comfortable fit, helping to reduce potential pressure points throughout the day. Adjustable crown strap adapts to different head sizes. |
| MSA statement | Patented yoke and harness design enables quick and easy switch between lock-down and drop-down modes. Drop-down mode allows users to remove the facepiece and rest it safely against the chest while maintaining use of head protection they may be wearing. Lock-down harness mode allows the user to lock in personal fit so that the respirator can be donned without further adjustments. |
| MSA statement | The Advantage 420 has only 3 major components, keeping replacement and maintenance costs down. 1. Head harness 2. Facepiece blank 3. 4-point yoke |
| MSA statement | Facepiece design provides stability and soft feel |
| MSA statement | Facepiece design is optimized to fit a wide variety of face shapes and sizes |
| MSA statement | Easily switches between lock-down and drop-down mode |
| MSA statement | Built-in moisture release chin cup hole, and extra-wide head and neck straps |
| MSA statement | Designed for easy integration with other personal protective equipment such as safety glasses and welding shields |
Source: MSA Advantage 420 data sheet 1012-57-MC; MSA Advantage Twin Cartridge Respirators data sheet 1012-42-MC (08.2025); us.msasafety.com Advantage 420 product page; MSA Advantage 420 NIOSH approval insert 10100439 Rev 11.
Cartridges and filters for the Advantage 420 Half-Mask Respirator
MSA Advantage bayonet: Cartridges fit 200 LS and 420 Half-Mask, 1000, 3000 and 4000 Series Full-Facepiece Advantage Respirators. Threaded Comfo cartridges fit with adapter 809999 (Advantage 420 data sheet).
| Part number | MSA chart description | NIOSH classes | Color coding | MSA pack |
|---|---|---|---|---|
| 815355 | Organic Vapor (GMA) | Organic Vapor | Black | 2/PKG |
| 815362 | Organic Vapor/P100 (GMA) | Organic Vapor, P100 | Black/Magenta | 2/PKG |
| 815357 | Organic Vapor/Acid Gas (GMC) | Organic Vapor, Chlorine, Sulfur Dioxide, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide | Yellow | 2/PKG |
| 815364 | Organic Vapor/Acid Gas/P100 (GMC) | Organic Vapor, Chlorine, Sulfur Dioxide, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, P100 | Yellow/Magenta | 2/PKG |
| 815359 | Multigas (GME) | Organic Vapor, Chlorine, Sulfur Dioxide, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, Ammonia, Methylamine, Formaldehyde, Hydrogen Fluoride | Olive | 2/PKG |
| 815366 | Multigas/P100 (GME) | Organic Vapor, Chlorine, Sulfur Dioxide, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, Ammonia, Methylamine, Formaldehyde, Hydrogen Fluoride, P100 | Olive/Magenta | 2/PKG |
| 815368 | Chlorine/Mercury Vapor/P100 (Mersorb) | Chlorine, Mercury Vapor, P100 | Olive and black diagonal stripe/Magenta | 2/PKG |
| 815369 | Low-Profile P100 | P100 | Magenta | Pack of 2 |
| 818342 | Flexi-Filter/P100 | P100 | Magenta | — |
| 818343 | Flexi-Filter/P100 w/Nuisance Level OV, Ozone Removal | P100 | Magenta | — |
| 818346 | Flexi-Filter/N95 | N95 | Black | — |
| 815394 | N95 Snap-On Prefilter | N95 | — | Pack of 10 |
| 815392 | Reusable Snap-On Cover (for N95 Snap-On Prefilter) | N95 | — | 2 in a Package |
Source: MSA Respirator Cartridge Chart 1000-86-MC (Feb 2017) (Advantage Respirator Cartridges and Flexi-Filter Pads tables).
NIOSH approval configurations for the Advantage 420 Half-Mask Respirator
The MSA NIOSH approval insert for this family lists 56 approval configurations; the first 16:
| Approval | Protection | Cartridge, filter or canister in the configuration |
|---|---|---|
| TC-23C-2455 | MV/CL | 815361 |
| TC-23C-2667 | OV/CL/HC/SD/AM/MA/CD/HS/FM/HF | 815359 |
| TC-23C-2693 | OV | 815355 |
| TC-23C-2694 | OV | 464031 |
| TC-23C-2695 | CL/HC/SD/CD/HS | 815356 |
| TC-23C-2696 | CL/HC/SD/CD/HS | 464032 |
| TC-23C-2697 | OV/CL/HC/SD/CD/HS | 815357 |
| TC-23C-2698 | OV/CL/HC/SD/CD/HS | 464046 |
| TC-23C-2699 | AM/MA | 815358 |
| TC-23C-2700 | AM/MA | 464033 |
| TC-23C-2862 | OV/CL/HC/SD/AM/MA/CD/HS/FM/HF | 492790 |
| TC-84A-4992 | P100 | 815175 |
| TC-84A-4995 | N95/OV | 815355, 815394, 815392 |
| TC-84A-4996 | R95/OV | 815355, 815397, 815401 |
| TC-84A-4997 | P100/OV | 815178 |
| TC-84A-4999 | N95/OV | 464031, 816662 |
Source: MSA NIOSH approval insert Advantage-420 (material 10100439 Rev 11). The insert states the respirator is approved only in the listed configurations.
NIOSH approvals naming the Advantage 420
The NIOSH Certified Equipment List carries 55 current MSA (Mine Safety Appliances Company / MSA Innovation, LLC) approvals whose product line names it: 10 chemical cartridge (TC-23C), 45 air-purifying particulate (TC-84A). The first 12:
| Approval | Product line | For protection against | Facepiece |
|---|---|---|---|
| TC-23C-2455 | Advantage 420 Half Mask Air Purifying Respirator | Chlorine, Mercury Vapor | Half Mask |
| TC-23C-2667 | Advantage 420 Half Mask with Advantage Cartridges | Ammonia, Chlorine, Chlorine Dioxide, Formaldehyde, Hydrogen Chloride, Hydrogen Fluoride, Hydrogen Sulfide, Methylamine, Organic Vapor … | Half Mask |
| TC-23C-2693 | Advantage 420 Half Mask Air Purifying Respirator with Advantage Cartridges | Organic Vapor | Half Mask |
| TC-23C-2694 | Advantage 420 Half Mask Air Purifying Respirator with Comfo Cartridges | Organic Vapor | Half Mask |
| TC-23C-2695 | Advantage 420 Half Mask Air Purifying Respirator with Advantage Cartridges | Chlorine, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, Sulfur Dioxide | Half Mask |
| TC-23C-2696 | Advantage 420 Half Mask Air Purifying Respirator with Comfo Cartridges | Chlorine, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, Sulfur Dioxide | Half Mask |
| TC-23C-2697 | Advantage 420 Half Mask Air Purifying Respirator with Advantage Cartridges | Chlorine, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, Organic Vapor, Sulfur Dioxide | Half Mask |
| TC-23C-2698 | Advantage 420 Half Mask Air Purifying Respirator with Comfo Cartridges | Chlorine, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, Organic Vapor, Sulfur Dioxide | Half Mask |
| TC-23C-2699 | Advantage 420 Half Mask Air Purifying Respirator with Advantage Cartridges | Ammonia, Methylamine | Half Mask |
| TC-23C-2700 | Advantage 420 Half Mask Air Purifying Respirator with Comfo Cartridges | Ammonia, Methylamine | Half Mask |
| TC-84A-4992 | Advantage 420 Half Mask Air Purifying Respirator | P100 | Half Mask |
| TC-84A-4995 | Advantage 420 Half Mask Air Purifying Respirator | N95, Organic Vapor | Half Mask |
Source: NIOSH Certified Equipment List (November 2026), manufacturer MSA (Mine Safety Appliances Company / MSA Innovation, LLC).
Assigned protection factor
| Respirator type (OSHA Table 1) | APF |
|---|---|
| Air-purifying half mask | 10 |
Source: OSHA 29 CFR 1910.134 Table 1 (Assigned Protection Factors). The APF applies only when the respirator is used in a program that meets the standard, including fit testing of tight-fitting facepieces (29 CFR 1910.134(f)) and a cartridge change schedule (29 CFR 1910.134(d)(3)(iii)).
Advantage 420 Half-Mask Respirator parts and accessories
| Part number | Part |
|---|---|
| 10097807 | Harness Assembly with Buckles (includes head cradle, elastic straps, and buckle set) |
| 10097883 | Maintenance Valve Set (includes one (1) exhalation valve and two (2) inhalation valves) |
| 10097886 | Advantage 420 Maintenance Kit (includes harness assembly with buckles, one (1) exhalation valve, and two (2) inhalation valves) |
| 10097810 | Yoke with lever |
| 10097881 | Lever, package of 5 |
| 10097888 | Inhalation valve, package of 10 |
| 10097891 | Exhalation valve, package of 10 |
| 10097884 | Buckle set, package of 5 |
| 10097887 | Storage poly bag |
| 468730 | Vinyl storage bag with belt loops |
| 809999 | Advantage Adapter for threaded Comfo cartridges, package of 2 |
| 10009971 | MSA Confidence Plus Germicidal Cleaner, 32 oz |
| 697383 | Cleaning Towelettes (individually wrapped), package of 100 |
| 697444 | Bitrex Qualitative Fit-Test Kit |
| 10056424 | Advantage Quantitative Fit Test Adapter |
| 10097899 | Instruction Manual, CD format |
Source: MSA Advantage 420 data sheet 1012-57-MC; MSA Advantage Twin Cartridge Respirators data sheet 1012-42-MC (08.2025); us.msasafety.com Advantage 420 product page; MSA Advantage 420 NIOSH approval insert 10100439 Rev 11.
Catalog data
| Item | Manufacturer data |
|---|---|
| Style | Half Facepiece |
| Harness | 4-point yoke and harness |
Source: Manufacturer published product data as carried in our catalog.
A latex-free reusable half mask with a four-point yoke harness that switches between lock-down and drop-down positions. It fits well under hard hats and with other PPE, and the AnthroCurve II seal improves fit across a wide range of faces.
- Four-point yoke and harness for easy donning
- Lock-down and drop-down harness positions
- ComforTop cradle headband works under head protection
- AnthroCurve II face seal
- Latex free
- Cartridges sold separately
MSA Advantage 420 questions
What cartridges fit the MSA Advantage 420? MSA Advantage bayonet: Cartridges fit 200 LS and 420 Half-Mask, 1000, 3000 and 4000 Series Full-Facepiece Advantage Respirators. Threaded Comfo cartridges fit with adapter 809999 (Advantage 420 data sheet).
What sizes does the Advantage 420 come in? Small, Medium, Large: 10102182 (Small), 10119576 (Threaded Adapters · S), 10119575 (Medium, twin with Comfo adapter), 10119574 (Large, twin with Comfo adapter).
What is the Advantage 420 made of? Facepiece Liquid Silicone, Nylon; Yoke Polyoxymethylene; ComforTop Harness Polyester, Lycra; Inhalation Valve Neoprene; Exhalation Valve Liquid Silicone; Neck Buckles Polypropylene.
What is the assigned protection factor of a half mask? OSHA Table 1 assigns an APF of 10 to an air-purifying half mask.
Guides: half mask vs full facepiece · assigned protection factors · what OSHA requires for fit testing · cleaning and storing respirators · cartridge change schedules · P100 vs N95 vs R95 · all respirators by model and hazard.
