MSA Abrasi-Blast and Constant-Flow Air-Line Respirators
The MSA Abrasi-Blast Type CE supplied-air respirator for abrasive blasting (Hypalon hood, Ultravue full facepiece with lens housing, breathing tube, lens cartridge, flow-control valve, belt; MSA data sheet), its lens cartridges and parts, and the constant-flow air-line filter 81857, its replacement kit and the approved neoprene air-supply hose. Live prices, the NIOSH approvals and the OSHA assigned protection factors below. Ships in 1–2 business days; most orders arrive in 3–7 business days.
Abrasi-Blast supplied-air respirator
| Part number | Item | Version | Price | ||
|---|---|---|---|---|---|
 | 468722 | MSA 468722 PAPR & Supplied Air Respirators, Abrasi-Blast Supplied Air | $2007.57 |
Source: MSA AbrasiBlast Respirators data sheet, 0112-37-MC.
Abrasi-Blast lens cartridges, housing adapter and quick-disconnect
Source: MSA AbrasiBlast Respirators data sheet, 0112-37-MC; MSA Advantage 4000 Abrasi-Blast Respirator data sheet, 0112-41-MC.
Constant-flow air-line filter and hose
Source: MSA Constant Flow Air-Line Respirators & Accessories data sheet, 0112-38-MC; MSA Air-Line Filter part no. 81857 instructions (Rev 2 484816).
Abrasi-Blast data
| Item | Manufacturer data |
|---|---|
| Type | SAR (Type CE, continuous flow) / combination SAR+APR (Duo-Flo) |
| Description | Abrasi-Blast Respirators are air-line approved devices with tight-fitting facepieces and durable hoods that provide respiratory and upper body protection for workers engaged in abrasive blasting. Consisting of a hood, facepiece with lens housing, breathing tube, lens cartridge, flow-control device, air-supply hose, and support belt (MSA Abrasi-Blast data sheet) |
| Facepiece | the Abrasi-Blast Respirator uses a tight-fitting, full-face Ultravue Facepiece together with the cover lens housing assembly. (MSA Abrasi-Blast data sheet); Advantage 4000 version per dsab4000 and CEL 19C-0438 |
| Flow | Adjustable Control-Valve Connectors feature a control knob that allows users to vary air flow within NIOSH-required flow rates (4 cfm minimum to 15 cfm maximum). Low-pressure adjustable valve-connectors require inlet pressure between 10 and 15 psig with approved hose length of 8 to 50 feet. High-pressure adjustable valve-connectors require inlet pressure between 35 and 40 psig with approved hose length of 8 to 300 feet. (MSA Abrasi-Blast data sheet) |
| Lens cartridges | 473240: 0.06" thick, tempered, 4 per carton - Light blasting; 473798: 0.09" thick, untempered, 3 per carton - Medium blasting; 473800: 0.09" thick, tempered, 3 per carton - Medium blasting; 473802: 0.12" thick, untempered, laminated, 2 per carton - Heavy blasting; 481742: 0.12" thick, untempered, laminated, 3 per carton - Heavy blasting |
| Hoods | 468716: Hypalon hood, waist, 10-15 psig flow-control device, complete assembly; 468718: Hypalon hood, waist, 35-40 psig; 468720: Hypalon hood, shoulder, 10-15 psig; 468722: Hypalon hood, shoulder, 35-40 psig (Standard Constant Flow Abrasi-Blast Respirator Assemblies: includes Hypalon hood, medium facepiece with dual exhalation valve (472666), lens housing, one lens cartridge (four 0.06" untempered glass cover lenses per cartridge), breathing tube (470734), web belt (9961), and adjustable Snap-tite (AL) valve connector socket assembly; order air-supply hose separately); 480699: Duck cloth chest; 480697: Duck cloth waist; 486304: Neoprene shoulder; 486303: Neoprene waist; 486329: Knit back, Hypalon front, shoulder |
| Approvals on the data sheet | The Abrasi-Blast Respirator has the following NIOSH/MSHA approvals: Approval TC-19C-161 for Abrasi-Blast Respirator when used with 8 to 50 ft. of MSA air-supply hose at an inlet pressure of 10 to 15 psig. Approval TC-19C-162 for Abrasi-Blast Respirator when used with 8 to 300 ft. of MSA air-supply hose at an inlet pressure of 35 to 40 psig. Duo-Flow Abrasi-Blast Respirator - see NIOSH-approved matrix, PN 818148 (MSA Abrasi-Blast data sheet) |
| Approvals on the insert and CEL | Approval insert 10122516 REV001 rows: 19C-438 CF/SA/SB, 19C-467 CF/SA/SB, 84A-4623 P100/CF/SA/SB, 84A-3744 P100/CF/SA/SB (Abrasi-Blast approval insert); CEL: 19C-0438 Abrasi-Blast Advantage 4000, Continuous Flow, Type CE, Supplied Air Respirator (Abrasive Blasting); 19C-0467 Abasi-Blast Supplied Air Respirator, Type CE, Constant Flow; 84A-4623 Model Abrasi-Blast Advantage 4000, Combination Air Purifying, Type CE, CF, Supplied Air Respirator (P100); 84A-3744 Abrasive blast chin style Gas mask w/ 816255 Ultra Round filter (P100). TC-19C-161 / TC-19C-162 from dsab are not in the current (non-obsolete) MSA CEL listing - see gaps.md |
Source: MSA AbrasiBlast Respirators data sheet, 0112-37-MC; MSA Advantage 4000 Abrasi-Blast Respirator data sheet, 0112-41-MC; MSA NIOSH approval insert, Abrasi-Blast, 10122516 REV001.
Constant-flow air-line data
| Item | Manufacturer data |
|---|---|
| CEL approvals | 19C-0434: Constant Flow Airline Type C, Continuous Flow, Supplied-Air Respirtor; 19C-0435: Constant Flow Airline Type C, Continuous Flow, Supplied-Air Respirator; 19C-0600: Constant Flow Airline Respirator, w/G1 Full Facepieces, Continuous Flow, Type C, Supplied-Air Respirator; 19C-0601: same, w/G1 Full Facepieces; 84A-5719: Model Duo-Flo Tight Fitting, Continuous Flow, Type CE, Combination Supplied Air and Air Purifying Respirator (P100); 84A-6821: Constant Flow Duo Twin Series Full Facepiece Combination Air Purifying and Supplied Air Respirator (P100) |
| Approved air-supply hose | Approved Air-Supply Hose (3/8" ID) Must be used with respirators to maintain NIOSH certifications (MSA constant flow air-line data sheet) |
| Neoprene hose, brass coupling | 8 ft.: 481071; 15 ft.: 455020; 25 ft.: 455021; 50 ft.: 455022 |
| Neoprene temperature range | -25 to 212 F |
| Hose note | Neoprene is the most durable/chemical-resistant hose type. Polyvinyl chloride (PVC) is the most lightweight. Coiled nylon expands or contracts according to need. MSA air-supply hoses must be used with to maintain NIOSH approvals on the Abrasi-Blast Respirator. (MSA Abrasi-Blast data sheet); A maximum total 300 ft and 6 hose sections is allowed on most pressure demand (MSA constant flow air-line data sheet) |
| Air-line filter 81857 | MSA Air-Line Filter, complete with one particulate filter and two organic vapor cartridges. This Air-Line Filter is used as a final particulate filter and nuisance odor sorbent for breathing air entering NIOSH - certified Air Line Respirators. Air entering this filter must be CGA Grade D as per Pamphlet G-7.1 ANSI 286.1-1973. If this unit is used with an oil lubricated compressor, high-temperature alarms, Carbon Monoxide Monitors and additional filtering systems may be required per 29 CFR 1910.134. |
Source: MSA Constant Flow Air-Line Respirators & Accessories data sheet, 0112-38-MC; MSA AbrasiBlast Respirators data sheet, 0112-37-MC; MSA Air-Line Filter part no. 81857 instructions (Rev 2 484816).
NIOSH approvals naming the Abrasi-Blast and constant-flow air-line respirators
The NIOSH Certified Equipment List carries 9 current MSA approvals whose product line names the Abrasi-Blast and constant-flow air-line respirators: 6 supplied-air (TC-19C), 3 air-purifying particulate (TC-84A).
| Approval | Product line | For protection against | Facepiece |
|---|---|---|---|
| TC-19C-0434 | Constant Flow Airline Type C, Continuous Flow, Supplied-Air Respirtor | — | Full Facepiece |
| TC-19C-0435 | Constant Flow Airline Type C, Continuous Flow, Supplied-Air Respirator | — | Full Facepiece |
| TC-19C-0438 | Abrasi-Blast Advantage 4000, Continuous Flow, Type CE, Supplied Air Respirator | Abrasive Blasting | Full Facepiece |
| TC-19C-0467 | Abasi-Blast Supplied Air Respirator, Type CE, Constant Flow | Abrasive Blasting | Full Facepiece |
| TC-19C-0600 | Constant Flow Airline Respirator, w/G1 Full Facepieces, Continuous Flow, Type C, Supplied-Air Respirator (SAR) | — | Full Facepiece |
| TC-19C-0601 | Constant Flow Airline Respirator, w/G1 Full Facepieces, Continuous Flow, Type C, Supplied-Air Respirator (SAR) | — | Full Facepiece |
| TC-84A-3744 | Abrasive blast chin style Gas mask w/ 816255 Ultra Round filter | P100 | Full Facepiece |
| TC-84A-4623 | Model Abrasi-Blast Advantage 4000, Combination Air Purifying, Type CE, CF, Supplied Air Respirator | P100 | Full Facepiece |
| TC-84A-6821 | Constant Flow Duo Twin Series Full Facepiece Combination Air Purifying and Supplied Air Respirator with Filter | P100 | Full Facepiece |
Source: NIOSH Certified Equipment List, manufacturer MSA, read November 4 2026.
Assigned protection factor
| Respirator type (OSHA Table 1) | APF |
|---|---|
| Supplied-air respirator, continuous flow, full facepiece | 1,000 |
| Supplied-air respirator, continuous flow, helmet/hood (manufacturer-tested to APF 1,000) | 1,000 |
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: supplied-air respirators and Grade D air · what is a supplied-air respirator · respirators for abrasive blasting.
MSA Abrasi-Blast and Constant-Flow Air-Line Respirators questions
What is in the Abrasi-Blast assembly? 468722: Hypalon shoulder hood, medium facepiece with dual exhalation valve, lens housing, one lens cartridge, breathing tube, web belt and the adjustable Snap-tite valve connector for 35 to 40 psig; air-supply hose ordered separately (MSA data sheet).
What inlet pressure and hose length does MSA state? Low-pressure valves 10 to 15 psig with 8 to 50 feet of hose; high-pressure valves 35 to 40 psig with 8 to 300 feet; airflow adjustable within the NIOSH range of 4 to 15 cfm (data sheet).
Which lens cartridge is which? 473800: 0.09 inch tempered, 3 per carton, medium blasting; 481742: 0.12 inch untempered laminated, 3 per carton, heavy blasting (data sheet; the Advantage 4000 version prints 3 per cartridge).
What is the NIOSH approval? The data sheet cites TC-19C-161 and 162; the current approval insert and CEL carry TC-19C-0438 and 0467 (Type CE continuous flow) and TC-84A-4623 and 3744 (combination with P100). The older numbers are not in the current non-obsolete CEL listing.
What does the 81857 air-line filter do? MSA: a final particulate filter and nuisance odor sorbent for breathing air entering NIOSH-certified air-line respirators, with one particulate filter and two organic vapor cartridges; the 484923 kit replaces them (manual).
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.