COMPARISON CHART


FILTER MODEL / PARAMETER	NBC-77-SOF	PARTICLEMAX P3	VK-530	P-CAN®	VK-700	NBC-17-SOF COMPACT	DotPro 330	P-CAN COMPACT
Summary	Protects against CBRN threats, riot control agents, toxic industrial chemicals, and radioactive methyl iodide.	Removes 99.995%+ of particulates, offering superior filtration with larger size and weight savings.	Protects against toxic chemicals and converts CO to CO2, but not for full CBRN protection.	Removes riot control agents with higher absorption than the P-CAN Compact.	Special Combined Filter Cartridge offers broader protection and double the lifespan compared to the VK-530, filtering multiple harmful substances.	The lightweight NBC-77 SOF offers similar protection at lower concentrations, enhancing mobility without compromising safety.	Offers comprehensive Toxic Industrial Chemicals protection , mercury vapor filtration, and durability with a 5-year shelf life.	The compact P-CAN efficiently filters riot control gases with significant weight and size savings.
External Approvals	EN 14387:2004+A1:2008, DIN 58621:2011	EN 143:2000, EN 12941:1998, EN 12942:1999	EN 14387:2004+A1:2008, DIN 58620:2007, EN 143:2000+A1:2006	EN 14387+A1	EN 14387:2004+A1:2008, DIN 58620:2007, EN 14387:2001	EN 14387 +A2	EN 14387:2004+A1:2008	EN 14387+A1
Country of Origin	Czech Republic	Czech Republic	Italy	Czech Republic	Czech Republic	Czech Republic	Czech Republic	Czech Republic
Rating	A2B2E2K2HgSX P3 D R REACTOR	P3 R D	A2B2E2K2HgNO20COP3R	A2SXP3 D R (OC, CR, CS)	A2B2E2K2HgNOCO20P3	A2B1E1K1 P3 D R	A2B2E2K2HgP3	A1SXP3 D R (OC, CR, CS)
Filter Thread Type	40 mm	40 mm	40 mm	40 mm	40 mm	40 mm	40 mm	40 mm
Breathing Resistance (typical)	<140 Pa at 30 L/min	~60 Pa at 30 L/min	<220 Pa at 30L/min	<160 Pa at 30 L/min	<190 Pa at 30 L/min	<200 Pa at 30 L/min	<190 Pa at 30 L/min	<200 Pa at 30 L/min
Diameter	110 mm	110 mm	106 mm	110 mm	110 mm	90 mm	110 mm	90 mm
Height	85 mm	55 mm	111 mm	75 mm	95 mm	85 mm	85 mm	85 mm
Average weight	335 g	100g	500 g	290 g	450 g	205 g	360 g	205 g
Shelf-life in storage	20 years	20 years	5 years	10 years	10	10 years	5 years	10 years
Provides protection from:
Particles	✅	✅	✅	✅	✅	✅	✅	✅
Organic gases & vapours (> 65°C)	✅	❌	✅	✅	✅	✅	✅	✅
Inorganic gases & vapours (not CO)	✅	❌	✅	❌	✅	✅	✅	❌
Acid gases	✅	❌	✅	❌	✅	✅	✅	❌
Ammonia and organic derivatives	✅	❌	✅	❌	✅	✅	✅	❌
Nitrogen oxides	❌	❌	✅	❌	✅	❌	❌	❌
Carbon monoxide	❌	❌	✅	❌	✅	❌	❌	❌
Mercury vapours	✅	❌	✅	❌	✅	❌	✅	❌
Radioactive iodine	✅	❌	❌	❌	❌	❌	❌	❌
Price	^$79.99 – ^$799.99	^$160.00	^$89.99	^$39.95	^$99.97	^$49.95	^$59.96	^$37.95
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Lightweight CBRN Gas Mask Filter – NBC-17 SOF^® 40mm Nato Filter – 10 Year Shelf Life

Name: Lightweight CBRN Gas Mask Filter – NBC-17 SOF® 40mm Nato Filter – 10 Year Shelf Life
Brand: MIRA Safety
SKU: FLT_NBC17
Price: 49.95 USD
Availability: InStock
Rating: 4.9 (35 reviews)

Check out the 35 reviews

10-year shelf life provides long-term reliability and cost savings on replacements.
Certified for comprehensive protection against a wide range of chemical, biological, radiological, and nuclear threats.
Used by military personnel, CBRN specialists, and special operations forces globally, ensuring trusted performance.

^$49.95

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NBC-17 SOF CBRN Gas Mask Filter

^$49.95

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Description

The NBC-17 SOF^® 40mm NATO filter canister, in combination with a full face gas mask, mouthpiece assembly, TAPR^®, or PAPR, reliably protects air passages against a wide range of harmful substances including CBRN agents.

The CBRN gas mask filters are produced with standard NATO 40mm round threads according to STANAG 4155 (EN 148- 1)- Rd 40x1/7". The CBRN filter components are made of hard plastic. This results in a very robust product that is extremely durable against shock and impact damage in operational use.

IMPORTANT NOTE: Due to the shorter threads, the NBC-17 SOF^® 40mm NATO Filter is NOT compatible with the MB-90^® PAPR unit.

NBC-17 SOF^® CBRN GAS MASK FILTER KEY FEATURES:

Compatible with standard 40mm NATO threaded respirators, which are widely available.
10-year shelf life - save money long-term by not having to replace your filters every year.
Used by military personnel, CBRN specialists, and special operations forces all over the world
Rated for A2B1E1K1P3 D R.
Certified by European agencies and has the “CE” symbol. Compliant under EN 14387+A1

NBC-17 SOF^® CBRN GAS MASK FILTER TECHNICAL SPECIFICATIONS

Parameter	Specification
Diameter	90 mm
Height	85 mm
Weight	205 g ± 5%
Storage Time	10 years (factory-sealed)
Breathing Resistance	@ 30 L/min (EN 14387 + A1 using NBC-17 SOF 260): < 200 Pa @ 95 L/min (EN 14387 + A1 using NBC-17 SOF 980): < 800 Pa

Category	Code	What It Filters / Designation	EN 14387 + A1 Efficiency @ 95 L/min	NBC-17 SOF Efficiency @ 95 L/min
Gas/Vapor	A2	Organic gases and vapors	—	—
Gas/Vapor	B1	Inorganic gases and vapors	—	—
Gas/Vapor	E1	Acid gases and vapors	—	—
Gas/Vapor	K1	Ammonia and amines	—	—
Particle	P3	Particles	NaCl: 99.95 % / Paraffin Oil: 99.95 %	> 99.999 %
Particle	D	Dust	NaCl: 99.95 % / Paraffin Oil: 99.95 %	> 99.999 %
Particle	R	Reusable	NaCl: 99.95 % / Paraffin Oil: 99.95 %	> 99.999 %

Note:
1) Standard EN 14387+A1
2) The filter was tested on dolomite dust clogging

NBC-17 SOF^® NATO GAS MASK FILTER APPLICATION:

The CBRN filter provides reliable protection against solid and liquid aerosols, smoke-producing substances, radioactive particles, bacteria, viruses, vapors of organic and inorganic acids, hydroxides, organic solvents with a boiling point above 65°C, ammonia, amines, acid gases, agricultural chemical combustion products, tear-producing agents, irritants, choking agents, blister and nerve agents, (e.g., bromoacetone, CS substance, organic compounds of arsenic, phosgene, hydrogen cyanide, cyanogen chloride, mustard gas, organophosphates) – sarin, IVA, VX and other toxic substances, (e.g., benzene, toluene, vinyl chloride, fluorine, hydrogen fluoride, sulphur oxides, phosgene, phosphoric acid and its organic derivatives, chloroacetic acid, nitric acid, aldehydes, mixtures of inorganic acids and organic substances.)

TESTING GAS	CONCENTRATION OF TESTING GAS		BREAKTHROUGH TIME IN MINUTES EN	NBC-17 SOF	DAC IN GRAMS NBC-17 SOF
TESTING GAS	PPM	MG/l	BREAKTHROUGH TIME IN MINUTES EN	NBC-17 SOF	DAC IN GRAMS NBC-17 SOF
A2 Cyclohexane C₆H₁₂	5000	17.5	35	37	19.425
B1 Chlorine Cl₂	1000	15	20	> 30	> 2.700
B1 Hydrogen Sulphide H₂S	1000	7.1	40	> 60	> 2.520
B1 Hydrogen Cyanide HCN	1000	5.6	25	> 60	> 5.820
E1 Sulphur Dioxide SO₂	1000	13.3	20	> 30	> 2.430
K1 Ammonia NH₃	1000	3.5	40	> 60	> 1.260

CBRN GAS MASK FILTER LIFETIME

Breakthrough time of a gas mask filter is tested according to EN 14387+A1 at humidity 70% and flow rate 30 l/min, which is equivalent to the volume of air per minute used by an average person carrying out medium heavy work. The approximate lifetime (usage time) of a filter may, under normal conditions, be estimated by comparing the concentration at the workplace and the minimum Dynamic Adsorption Capacity (DAC) for the filter.

NBC-17 SOF^® 40mm NATO FILTER CANISTER STORAGE AND MAINTENANCE

Each NBC-17 SOF^® gas mask filter is sealed in a plastic bag by the manufacturer. Store the filters unopened in a clean place at even temperature, most appropriate at -5 to +30°C and relative humidity below 80%. Sealed filters can also tolerate conditions of -30 to +50°C and RH below 95%. The storage period (month and year) for filters is marked on the filter label. Do not try to regenerate the gas mask filters. Never clean the CBRN filters with compressed air or compressed water.

CBRN GAS MASK FILTER NBC-17 SOF^® DISPOSAL

After use, CBRN gas mask filters are considered special refuse. Make sure that they are disposed of according to the filtered substance (gases or particles) in accordance with current waste treatment regulations. If the product is to be disposed of, it should be dismantled from the respirator and disposed of as solid waste. Please see local authority regulations for disposal advice and locations.

Reviews

4.9

Rated 4.9 out of 5 stars

Based on 35 reviews

97%would recommend this product

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35 reviews

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WH
William H.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
8/5/26
EDC
Lightweight and compact. Perfect for my EDC Kit.
Was this helpful?
SB
Steve B.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
6/18/26
Great
Everything Mira is great
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SZ
Simha Z.
Verified Buyer
I recommend this product
Rated 5 out of 5 stars
6/6/26
Lightweight%20CBRN%20Gas%20Mask%20Filter%20%E2%80%93%20NBC-17%20SOF%C2%AE%2040mm%20Nato%20Filter%20%E2%80%93%2010%20Year%20Shelf%20Life
Very%20good%20filter.%20Fully%20performs%20its%20functions.%20Excellent%20quality.%20Thank%20you!
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M
Michele
I recommend this product
Rated 5 out of 5 stars
6/2/26
5 Stars
Jesus loves You
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W
Will
Verified Buyer
I recommend this product
Rated 4 out of 5 stars
4/28/26
Good quality
I use it in hydrogenoxide. It isn't perfect but good enough. Got to be aware of wind just like any other filter I have used.
Was this helpful?

Lightweight CBRN Gas Mask Filter – NBC-17 SOF® 40mm Nato Filter – 10 Year Shelf Life

NBC-17 SOF® CBRN GAS MASK FILTER KEY FEATURES:

NBC-17 SOF® CBRN GAS MASK FILTER TECHNICAL SPECIFICATIONS

NBC-17 SOF® NATO GAS MASK FILTER APPLICATION:

CBRN GAS MASK FILTER LIFETIME

NBC-17 SOF® 40mm NATO FILTER CANISTER STORAGE AND MAINTENANCE

CBRN GAS MASK FILTER NBC-17 SOF® DISPOSAL

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