COMPARISON CHART


Respirator Model	CM-6M®	CM-7M®	CM-8M®	CM-I01	MD-1®	MD-2	C21
External Approvals	EN 136:1998, Class III, EN 148-1, EN-168	EN 136:1998, Class III, EN 148-1	EN 136:1998, Class III, EN 148-1, EN-168	EN 136:1998 and European Regulation 2016/425	EN 148-1	Tested according to MIL-STD-282 (method 204.1.1.), ASTM D638, ISO 2039-1, etc.	EN 136:1998, Class III, EN 148-1, EN-168
Country of Origin	Czech Republic	Czech Republic	Czech Republic	Italy	Serbia	Israel	Italy
Shelf-life	20 years	20 years	20 years	10 Years	10 years	15 years	20 years (10 year valve change)
Weight	560 g	500 g	540 g	571g	500 g	?	615 (fabric harness)
Effective Field of Vision	77.60%	71.5%	92.50%	N/A	>70%	N/A	91.70%
Binocular/Overlapped Field of Vision	83.80%	34%	85.70%	N/A	>70%	N/A	88.20%
Filter Connection Thread	Rd 40 x 1/7"	Rd 40 x 1/7"	Rd 40 x 1/7"	Rd 40 x 1/7"	Rd 40 x 1/7" (Hose)	Rd 40 x 1/7"	Rd 40 x 1/7"
Sizes	Universal Size (medium)	Small, Medium, Large	Universal Size (medium)	Universal Size (medium)	Medium, Large	Universal Size	3 Sizes
Material of the Facepiece	Bromobutyl rubber, non-irritating	Bromobutyl rubber, non-irritating	Bromobutyl rubber, non-irritating	Thermoplastic rubber	Natural rubber, designed for comfort	4-layer PVC/nylon/nylon/PVC for maximum tear-resistance	Bromobutyl rubber, non-irritating
Visors	Polycarbonate	Silicate Glass	Polycarbonate	Polycarbonate	Polycarbonate	4-layer PVC/nylon/nylon/PVC for maximum tear-resistance	Polycarbonate
Drinking System	Yes	Yes	Yes	No	No	Yes	Yes
Exhalation Resistance	60 Pa at 30 L/min	60 Pa at 30 L/min	60 Pa at 30 L/min	118 Pa at 30 L/min	90 Pa at 30 L/min		85 Pa at 25 L/min
Tested resistance against NBC Agent (S-Mustard Gas)	30 hours	>48 hours	30 hours	92 Pa at 30 L/min	180 minutes	240 minutes	30 hours
Bottom Line	General purpose use, navigating toxic environments with full situational awareness	Military and combat applications, for use with rifles and night vision optics	For both tactical and general purpose use, for use with firearms and night vision optics		Affordable CBRN protection for children	Simple to use, robust CBRN escape tool, able to accommodate younger children	For both professional and general purpose use, for use with firearms and night vision optics
Price	$275.95	$289.95	$339.95	$159.95	$231.95 – $259.97	$599.95	$529.95
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C21™ Gas Mask Microphone Accessory Kit

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C21™ Gas Mask Microphone Accessory Kit

Clear Audio: Ensures reliable communication in noisy environments.
Universal Fit: Compatible with most gas masks and comms systems.
Lightweight: Designed for comfort and extended use.
Easy Setup: Quick installation with minimal tools.

Quantity

$144.95

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About this product

The MIRA Safety® C21™ Gas Mask Microphone Accessory Kit delivers clear, reliable communication in demanding environments with a complete, ready-to-use system designed specifically for the C21™ Respirator.

Each kit includes the C21™ Gas Mask Microphone and your choice of communication cable, allowing you to connect to compatible Voice Projection Units (VPUs) or supported communication equipment. Simply select the connector option that matches your device.

Whether you're operating in tactical, emergency response, industrial, or training environments, the C21™ communication system helps ensure your voice is transmitted clearly when it matters most.

Included Items:

1× C21™ Gas Mask Microphone
1× Communication Cable (connector type selected above)

Key Features:

Clear Voice Transmission
Designed to capture and transmit speech clearly while wearing the C21™ respirator.
Multiple Connector Options
Choose the cable configuration compatible with your communication equipment.
Purpose-Built Integration
Engineered specifically for the MIRA Safety C21™ communication system for dependable performance.
Rugged Construction
Reinforced cable design with durable strain relief for demanding field conditions.
Lightweight & Flexible
Moves naturally with your gear without adding unnecessary bulk.
Quick Installation
Simple plug-and-play installation allows rapid deployment with compatible equipment.

Choose Your Connector:

3.5mm Connector

Includes a two-pin to 3.5mm communication cable.
Designed for compatible Voice Projection Units (VPUs) and communication devices utilizing a standard 3.5mm audio input.

U-173/U Two-Pin Connector

Includes a two-pin to U-173/U communication cable.
Designed for compatible military, tactical, aviation, and specialized communication equipment utilizing the U-173/U connector standard.

Why Choose MIRA Safety® C21™ Gas Mask Microphone Accessory Kit?

Unlike purchasing components separately, each kit includes everything needed to connect your C21™ Microphone using the selected cable option, making setup simple while ensuring compatibility with your preferred communication equipment.