Description
The MSA Ultra-Twin Full-Facepiece Respirator is a full facepiece with threaded Comfo cartridges (twin-cartridge). Our part numbers: 480263 (Small, silicone), 480259 (Medium, silicone), 480267 (Large, silicone). Sizes Small, Medium, Large. Ships in 1–2 business days; most orders arrive in 3–7 business days. Ultra-Twin Full-Facepiece: every cartridge, filter, part and NIOSH approval on one page.
MSA Ultra-Twin Full-Facepiece Respirator specifications
| Item | Manufacturer data |
|---|---|
| Facepiece type | Full facepiece |
| Sizes | Small, Medium, Large |
| Our part numbers | 480263 (Small, silicone), 480259 (Medium, silicone), 480267 (Large, silicone) |
| Other versions MSA lists | 471298 (Small, hycar), 471286 (Medium, hycar), 471310 (Large, hycar) |
| Cartridge connection | Threaded Comfo cartridges (twin-cartridge) |
| Head harness | 5 headstraps with roller buckles |
| Lens | Wide polycarbonate lens is coated for scratch and chemical resistance |
| Nose cup | Nosecup reduces lens fogging |
| Speech | Speaking diaphragm provides clear communications |
| MSA statement | Feature an inturned lip, large chin cup, and 5 headstraps with roller buckles for secure, comfortable fit |
| MSA statement | Wide polycarbonate lens is coated for scratch and chemical resistance |
| MSA statement | Speaking diaphragm provides clear communications |
| MSA statement | Nosecup reduces lens fogging |
Source: MSA Comfo Twin-Cartridge Respirators data sheet 10-00-03-MC.
Cartridges and filters for the Ultra-Twin Full-Facepiece Respirator
MSA Comfo threaded: Cartridges fit Comfo Classic, Ultra-Twin, Ultra Elite Twin-Cartridge and Duo-Twin Respirators, and certain half-mask and full-face Advantage Respirators with Adapter (P/N 809999).
| Part number | MSA chart description | NIOSH classes | Color coding | MSA pack |
|---|---|---|---|---|
| 464031 | Organic Vapor (GMA) | Organic Vapor, R95, N95 | Black | 10 in pkg. |
| 815178 | Organic Vapor/P100 (GMA) | Organic Vapor, P100 | Black/Magenta | 6 in pkg. |
| 464032 | Acid Gas (GMB) | Chlorine, Sulfur Dioxide, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, R95, N95 | White | 10 in box |
| 464046 | Organic Vapor/Acid Gas (GMC) | Organic Vapor, Chlorine, Sulfur Dioxide, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, R95, N95 | Yellow | 10 in pkg. |
| 815180 | Organic Vapor/Acid Gas/P100 (GMC) | Organic Vapor, Chlorine, Sulfur Dioxide, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, P100 | Yellow/Magenta | 6 in box |
| 464033 | Ammonia/Methylamine (GMD) | Ammonia, Methylamine, R95, N95 | Green | 10 in box |
| 492790 | Multigas (GME) | Organic Vapor, Chlorine, Sulfur Dioxide, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, Ammonia, Methylamine, Formaldehyde, Hydrogen Fluoride, R95, N95 | Olive | 10 in box |
| 815182 | Multigas/P100 (GME) | Organic Vapor, Chlorine, Sulfur Dioxide, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, Ammonia, Methylamine, Formaldehyde, Hydrogen Fluoride, P100 | Magenta/Olive | 6 in box |
| 815185 | Chlorine/Mercury Vapor/P100 (Mersorb) | Chlorine, Mercury Vapor, P100 | Olive and white zigzag/Magenta | 6 in box |
| 10153412 | Low-Profile P100 | P100 | Magenta | 16 in box |
| 816662 | N95 (stand-alone and cover, or prefilter and cover) | N95 | — | 10 in pkg. |
| 489353 | Reusable snap-on cover (N95 and covers required for Comfo Respirators) | — | 1 in pkg.; 2 req. | |
| 489219 | R95 Reusable snap-on cover | — | 1 in pkg.; 2 req. | |
| 815177 | Low Profile P100 (Comfo / Ultra-Twin / Ultra Elite column) | P100 | — | No. in pkg. 10 |
Source: MSA Respirator Cartridge Chart 1000-86-MC (Feb 2017) (Comfo Respirator Cartridges table).
NIOSH approval configurations for the Ultra-Twin Full-Facepiece Respirator
The MSA NIOSH approval insert for this family lists 46 approval configurations; the first 16:
| Approval | Protection | Cartridge, filter or canister in the configuration |
|---|---|---|
| TC-23C-0144 | OV | 464031 |
| TC-23C-0145 | CL/HC/SD/CD/HS | 464032 |
| TC-23C-0146 | OV/CL/HC/SD/CD/HS | 464046 |
| TC-23C-0147 | AM/MA | 464033 |
| TC-23C-2859 | OV/CL/HC/SD/AM/MA/CD/HS/FM/HF | 492790 |
| TC-23C-2859 | OV/CL/HC/SD/AM/MA/CD/FM/HF/HS | 492790 |
| TC-84A-0181 | P100 | 815175 |
| TC-84A-0182 | P100 | 815177 |
| TC-84A-0183 | P100/OV | 815178 |
| TC-84A-0184 | P100/CL/HC/SD/CD/HS | 815179 |
| TC-84A-0185 | P100/OV/CL/HC/SD/CD/HS | 815180 |
| TC-84A-0186 | P100/AM/MA | 815181 |
| TC-84A-0189 | P100/OV | 815184 |
| TC-84A-0190 | P100/MV/CL | 815185 |
| TC-84A-0342 | P100 | COMFO P100 |
| TC-84A-0343 | P100 | 815177 |
Source: MSA NIOSH approval inserts Ultra-Twin-Respirator-Family, UT-From-DuoTwin (material 818203 Rev 20, 818205 Rev 21). The insert states the respirator is approved only in the listed configurations.
NIOSH approvals naming the Ultra-Twin
The NIOSH Certified Equipment List carries 20 current MSA (Mine Safety Appliances Company / MSA Innovation, LLC) approvals whose product line names it: 20 air-purifying particulate (TC-84A). The first 12:
| Approval | Product line | For protection against | Facepiece |
|---|---|---|---|
| TC-84A-0181 | Ultra-Twin with P100 and P100 Sparkfoe filter | P100 | Full Facepiece |
| TC-84A-0182 | Ultra-Twin with P100 LP (low profile) filters | P100 | Full Facepiece |
| TC-84A-0183 | Ultra-Twin with GMA-P100 cartridges | Organic Vapor, P100 | Full Facepiece |
| TC-84A-0186 | Ultra-Twin full facepiece with GMD-P100 | Ammonia, Methylamine, P100 | Full Facepiece |
| TC-84A-0189 | Ultra Twin full facepiece with GMI-P100 cart | Organic Vapor, P100 | Full Facepiece |
| TC-84A-0190 | Ultra-Twin full facepiece with Mersorb-P100 | Chlorine, Mercury Vapor, P100 | Full Facepiece |
| TC-84A-0305 | Ultra-Twin with GMA-P100 Low Profile | Organic Vapor, P100 | Full Facepiece |
| TC-84A-0313 | Ultra-Twin with GMC-P100 Low Profile | Chlorine, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, Organic Vapor, P100, Sulfur Dioxide | Full Facepiece |
| TC-84A-1529 | UltraTwin w/Comfo GMA and Comfo N95 filter | N95, Organic Vapor | Full Facepiece |
| TC-84A-1530 | UltraTwin w/Comfo GMB and Comfo N95 filter | Chlorine, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, N95, Sulfur Dioxide | Full Facepiece |
| TC-84A-1531 | UltraTwin w/Comfo GMC and Comfo N95 filter | Chlorine, Chlorine Dioxide, Hydrogen Chloride, Hydrogen Sulfide, N95, Organic Vapor, Sulfur Dioxide | Full Facepiece |
| TC-84A-1532 | UltraTwin w/Comfo GMD and Comfo N95 filter | Ammonia, Methylamine, N95 | Full Facepiece |
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 full facepiece | 50 |
| Powered air-purifying full facepiece | 1000 |
| Supplied-air respirator, continuous flow, full facepiece | 1000 |
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)).
Ultra-Twin Full-Facepiece Respirator parts and accessories
| Part number | Part |
|---|---|
| 817040 | Carrying pouch for Comfo full facepiece respirators |
| 813138 | Nosecup, Ultravue/Ultra-Twin, black, small |
| 813139 | Nosecup, Ultravue/Ultra-Twin, black, medium |
| 813140 | Nosecup, Ultravue/Ultra-Twin, black, large |
| 454819 | Ultravue/Ultra-Twin Facepiece Spectacle Kit |
| 472859 | Clip-On Welder's Adapter for Ultravue and Ultra Twin Facepieces; with cover lens, less filter plate |
| 456975 | Cover lens for Ultravue, clear, 25/pkg |
| 480326 | Cover lens for Ultravue, smoke tint, 25/pkg |
| 696820 | Proper Care and Use of the Ultra-Twin Respirator DVD |
Source: MSA Comfo Twin-Cartridge Respirators data sheet 10-00-03-MC.
Catalog data
| Item | Manufacturer data |
|---|---|
| Facepiece Material | Silicone |
| Harness | 5-point with roller buckles |
| Lens | Scratch-resistant |
| Speaking Diaphragm | Yes |
| Type | Dual Cartridge Respirator |
| Color | Black |
| Body Material | Silicone |
| Lens Material | Polycarbonate |
Source: Manufacturer published product data as carried in our catalog.
Soft-seal silicone version of the MSA Ultra-Twin full facepiece respirator, with a scratch-resistant polycarbonate lens and speaking diaphragm. This twin port full face respirator takes MSA Comfo thread cartridges and Flexi-Filters.
- Silicone facepiece, black, with inturned lip seal and large chin cup
- Scratch-resistant polycarbonate lens held by a color-coded two-piece lens ring
- 5-point harness with roller buckles
- Twin port MSA Comfo thread connection; accepts Comfo cartridges, N95/R95 Flexi-Filter and P100
- Speaking diaphragm; NIOSH approved
Abatement and industrial painting crews wearing a full face mask for long shifts get a soft silicone seal. Available in Small (480263), Medium (480259) and Large (480267). Manufacturer item number: 480263. Sold by the pack.
MSA Ultra-Twin questions
What cartridges fit the MSA Ultra-Twin? MSA Comfo threaded: Cartridges fit Comfo Classic, Ultra-Twin, Ultra Elite Twin-Cartridge and Duo-Twin Respirators, and certain half-mask and full-face Advantage Respirators with Adapter (P/N 809999).
What sizes does the Ultra-Twin come in? Small, Medium, Large: 480263 (Small, silicone), 480259 (Medium, silicone), 480267 (Large, silicone).
What is the assigned protection factor of a full facepiece? OSHA Table 1 assigns an APF of 50 to an air-purifying full facepiece.
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.
