MSA Advantage 420 Half Mask
The MSA Advantage 420 Half Mask: sizes Small, Medium, Large; Advantage bayonet cartridges. Below: every version with a live price, the cartridges and filters MSA lists for it, the parts and accessories, the NIOSH approvals from the Certified Equipment List and the OSHA assigned protection factors. Ships in 1–2 business days; most orders arrive in 3–7 business days.
Advantage 420 Half Mask
| Part number | Item | Version | Price | ||
|---|---|---|---|---|---|
 | 10102183 | MSA Advantage 1010218 420 Series Half-Mask Respirator | Medium | $45.40 | |
| 10102184 | MSA Advantage 1010218 420 Series Half-Mask Respirator | Large | $45.40 | |
 | 10102182 | MSA Advantage 420 Half Mask Respirator | Standard, S | $45.40 | |
| 10119576 | MSA Advantage 420 Half Mask Respirator | Threaded Adapters, S | $65.13 | |
| 10119575 | MSA Advantage 420 Half Mask Respirator | Threaded Adapters, M | $65.13 | |
| 10119574 | MSA Advantage 420 Half Mask Respirator | Threaded Adapters, L | $65.13 |
Source: MSA Advantage 420 Half-Mask Respirator data sheet, 1012-57-MC / 06.2020; MSA Advantage Twin Cartridge Respirators data sheet, 1012-42-MC / 08.2025; us.msasafety.com product page, Advantage 420 Half-Mask Respirator (product 000100000200001150) and /pn/ variant pages; MSA NIOSH approval insert, Advantage 420 Respirator Family, Material 10100439 Rev 11 (03/24/2023).
Cartridges, filters and prefilters MSA lists for the Advantage 420 Half Mask
| Part number | Item | Version | Price | ||
|---|---|---|---|---|---|
 | 815355 | MSA 815355 Advantage GMA Organic Vapor Cartridge Organic Vapor; label Black; 2/PKG; chart also lists it w/815394 or 816357 (N95) and w/815397 (R95) | $20.00 | ||
 | 815362 | MSA 815362 Respirator Cartridges & Filters, Advantage GMA-P100 Organic Organic Vapor, P100; label Black/Magenta; 2/PKG | $36.20 | ||
 | 815357 | MSA 815357 Advantage GMC Organic Vapor/Acid Gas Cartridge Organic Vapor, Chlorine, Sulfur Dioxide, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide; label Yellow; 2/PKG; chart also lists it w/815394 or 816357 (N95) and w/815397 (R95) | $20.00 | ||
 | 815364 | MSA 815364 Respirator Cartridges & Filters, Advantage GMC-P100 Organic Vapor/Acid Organic Vapor, Chlorine, Sulfur Dioxide, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, P100; label Yellow/Magenta; 2/PKG | $36.20 | ||
 | 815359 | MSA 815359 Advantage GME Multigas Cartridge Organic Vapor, Chlorine, Sulfur Dioxide, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, Ammonia, Methylamine, Formaldehyde, Hydrogen Fluoride; label Olive; 2/PKG; chart also lists it w/815394 or 816357 (N95) and w/815397 (R95) | $24.60 | ||
 | 815366 | MSA 815366 Advantage GME-P100 Multigas/P100 Cartridge Organic Vapor, Chlorine, Sulfur Dioxide, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, Ammonia, Methylamine, Formaldehyde, Hydrogen Fluoride, P100; label Olive/Magenta; 2/PKG | $36.28 | ||
 | 815368 | MSA 815368 Advantage Mersorb P100 Cartridge Chlorine, Mercury Vapor, P100; label Olive and black diagonal stripe/Magenta; 2/PKG | $60.00 | ||
 | 815369 | MSA 815369 Advantage Low Profile P100 Filter Cartridge P100; label Magenta; Pack of 2 | $14.57 | ||
 | 818342 | MSA 818342 Flexi-Filter P100 Pads for Advantage P100; label Magenta | $7.48 | ||
 | 818343 | MSA 818343 Flexi-Filter P100 Pads for Advantage P100; label Magenta | $10.60 | ||
 | 818346 | MSA 818346 Advantage Flexi-Filter N95 Filter Pads N95; label Black | $7.01 | ||
 | 815394 | MSA 815394 Advantage N95 Snap-On Prefilter, Pack of 10 N95; Pack of 10 | $31.20 | ||
 | 815392 | MSA 815392 Respirator Cartridges & Filters, Advantage Snap-On Cover N95; 2 in a Package | $4.32 |
Source: MSA Respirator Cartridge Chart, ID 1000-86-MC / Feb 2017 (Advantage Respirator Cartridges p.1, Comfo Respirator Cartridges and Flexi-Filter Pads p.2); MSA Advantage cartridge NIOSH approval inserts.
Parts, adapters and accessories
Source: MSA data sheets and parts lists named in the research.
Advantage 420 Half Mask data
| Item | Manufacturer data |
|---|---|
| Facepiece type | half |
| Sizes | Small, Medium, Large |
| Part numbers by size | Small: 10102182; Medium: 10102183; Large: 10102184 |
| Part 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 |
| Harness | 4-point (us.msasafety.com 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) |
| Weight | 0.331 LB (0.150 KG) (us.msasafety.com 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 pn 10102182 Small) |
| Latex | Completely latex-free (MSA Advantage 420 data sheet); Faceblank is latex free (MSA Advantage 420 data sheet) |
| 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) |
| NIOSH approval | NIOSH (us.msasafety.com spec: Approvals / Standards NIOSH | AS/NZS | EN). TC numbers per configuration: see approval_matrix "app420" (84A-4992 ... 84A-5034, 23C-2693 ... 23C-2862) |
Source: MSA Advantage 420 Half-Mask Respirator data sheet, 1012-57-MC / 06.2020; MSA Advantage Twin Cartridge Respirators data sheet, 1012-42-MC / 08.2025; us.msasafety.com product page, Advantage 420 Half-Mask Respirator (product 000100000200001150) and /pn/ variant pages; MSA NIOSH approval insert, Advantage 420 Respirator Family, Material 10100439 Rev 11 (03/24/2023).
Features as MSA states them
- 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.
- 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.
- The Advantage 420 has only 3 major components, keeping replacement and maintenance costs down. 1. Head harness 2. Facepiece blank 3. 4-point yoke
- Facepiece design provides stability and soft feel
- Facepiece design is optimized to fit a wide variety of face shapes and sizes
- Easily switches between lock-down and drop-down mode
- Built-in moisture release chin cup hole, and extra-wide head and neck straps
- Designed for easy integration with other personal protective equipment such as safety glasses and welding shields
- Faceblank is latex free
- AnthroCurve II Sealing Surface improves fit testing among diverse workforces. Textured silicone facepiece helps to eliminate possible leak paths. One-piece Cradle Headband eliminates pressure points when head protection is worn. (MSA Advantage twin-cartridge data sheet)
NIOSH approvals naming the Advantage 420 Half Mask
The NIOSH Certified Equipment List carries 54 current MSA approvals whose product line names the Advantage 420 Half Mask: 10 chemical cartridge (TC-23C), 44 air-purifying particulate (TC-84A). The first 15:
| 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, H | 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 Dio | 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 Dio | 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 |
| TC-84A-4996 | Advantage 420 Half Mask Air Purifying Respirator | Organic Vapor, R95 | Half Mask |
| TC-84A-4997 | Advantage 420 Half Mask Air Purifying Respirator | Organic Vapor, P100 | Half Mask |
| TC-84A-4999 | Advantage 420 Half Mask Air Purifying Respirator | N95, Organic Vapor | Half Mask |
Source: NIOSH Certified Equipment List, manufacturer MSA, read November 4 2026.
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)).
Guides: MSA Advantage cartridge codes · Advantage 420 vs 900 vs 3200 · what is a PAPR.
MSA Advantage 420 Half Mask questions
Which cartridges fit the Advantage 420? The Advantage bayonet cartridges (GMA, GMB, GMC, GMD, GME, Mersorb, the P100 combinations, the low-profile P100 and the Flexi-Filter pads); with the 809999 adapter the threaded Comfo cartridges can be used (MSA Advantage 420 data sheet; cartridge chart).
What sizes does the Advantage 420 come in? Small 10102182, Medium 10102183, Large 10102184; the 10119574/10119575 versions ship with the Comfo adapter (us.msasafety.com part list).
What is the Advantage 420 made of? Liquid silicone and nylon facepiece, polyoxymethylene yoke, polyester/Lycra ComforTop harness, neoprene inhalation valves, liquid silicone exhalation valve; completely latex-free; 0.331 lb for the small (us.msasafety.com; data sheet).
What is the NIOSH approval? The Advantage 420 approval insert (Material 10100439 Rev 11) lists the configurations by cartridge: TC-84A-4992 to 5034 and TC-23C-2693 to 2862; the TC number for a given cartridge is on that insert and on the cartridge label.
What is lock-down and drop-down mode? MSA: the patented yoke and harness switch between lock-down (personal fit locked so the respirator is donned without adjustment) and drop-down (facepiece rests against the chest while head protection stays on) (data sheet).
The ratings, test results and standards shown here are the manufacturers' published values, reproduced as published. Nothing on this page is a recommendation by Bayshore Safety that any product is suitable for a particular task, hazard or workplace. Selecting safety products and protective equipment is the responsibility of the end user and the employer, based on their own hazard assessment and the regulations that apply to their work. Confirm every value on the manufacturer's own documentation before use.