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M23A1/M24

150-cfm CBRN Gas (M23A1)
NSN: 4240-01-363-1310
Particulate (M24) Filters
NSN: 4240-00-802-5169

Application Statement: The M23A1/M24 CBRN filter set removes toxic gases and particulates to provide purified air for a variety of applications, including mobile shelters & vehicles at a rate of 150-cfm.

Features:

  • 150-cfm air flow
  • ASZM-TEDA carbon media
  • 4.2 IWG nominal pressure drop on the gas filter
  • 1.0 IWG maximum pressure drop on the particulate filter
  • Rectangle Panel filter configuration
  • Horizontal or vertical installation
General Product Description
While the 150-cfm M23A1/M24 gas-particulate filter set is ideal for medium airflow applications, it can be applied with success to higher airflow applications.

Single M23A1/M24 filter set is used to provide positive pressure in vehicles such as the MLRS. Multiple M23A1/M24 filter sets are used to provide over pressure protection in shelters such as with the M18, 300-cfm filter system.

The M24 particulate filter employs a glass micro fiber particulate medium per MIL-F-51079 with pleated aluminum separators. Air initially passes through this media, before moving to the gas filter element. The particulate medium removes biological agents, chemical agents in aerosol form, and radioactive particles and is 99.97% efficient for particles of 0.3 microns.

The M23A1 gas filter uses ASZM-TEDA carbon to remove toxic agents in gaseous and vapor form not removed by the particulate media. This filter set has a panel construction, which makes it a denser package then equivalent radial flow filter and suitable in limited space area. Although presented as a set these filters are shipped individually and can be ordered individually.

Contact Hunter Manufacturing for more information on the M23A1, M24 or other similar products, and to determine how the M23A1 and M24 CBRN filters can service your filtration needs.

M23A1 - Specifications
PDF Datasheet
Hunter Part Number 5-19-2298
National Stock No.  4240-01-363-1310
US Army Drawing Number E5-19-2298
US Military specification MIL-F-51222
Rated Air Flow 150 cfm 255 m3/h
Air flow resistance 4.2 in IWG 1046 Pa
Physical Characteristics:
Length
Height:
Width:
Weight

21" 533.40 mm
21.97" 558.00 mm
2.5" 63.50 mm
26 lbs. 13.64Kg
Housing material Aluminum
Gas Filter Element
Carbon Media
Carbon weight
Carbon density, max
Moisture content
DMMP value
CK value

AZSM-TEDA 12 x 30 Per EA-C-1704
22.5 lbs.*
0.68 g/ml
3.0 % maximum
350,000 mg x min / m3 minimum new
110,000 mg x min / m3 minimum new

M24 - Specifications
Hunter Part Number 5-19-1226
National Stock No.  4240-00-802-5169
US Army Drawing Number C5-19-1226
US Military specification MIL-F-1221
Rated Air Flow 150 cfm 255 m3/h
Air flow resistance 1.0 IWG 249 Pa
Physical Characteristics:
Length
Height:
Width:
Weight

21" 533.40 mm
21.97" 558.00 mm
2.25" 57.20 mm
7.0 lbs. 3.18 Kg
Housing material Aluminum
Particulate Filter Element
Particulate media
Efficiency minimum

MIL-F-51079 with aluminum separators
99.97% at 0.3 mm
* Weight may vary slightly due to carbon density and certain other factors

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