Get Virtual Care
For Businesses
About Us
A member asked:
I just bought a new israeli 4a1 nbc gas mask and i was wondering i could use the filter after its expired?
A doctor has provided 1 answer
Yes: Depending on what you are hoping to use it for, it will work for a while but you can't depend on it to work against biological warfare or nerve gases after it has expired.
Answered 3/20/2015
6.2k views
Thank
Related Questions
A member asked:
6 days old new born suffering from gas. What can I give her to help?
A doctor has provided 1 answer
A member asked:
Is there some kind of air filter machine I can buy that works better than hepa?
A doctor has provided 1 answer
A member asked:
How long do the N95 masks last before they stop filtering out novel coronavirus?
A doctor has provided 1 answer
A member asked:
My stomach has a lot of gas that hurts and makes loud noises buy no gas to let out?
A doctor has provided 1 answer
A member asked:
A new friend , has Crohn's disease and has gas that's really terrible , is that gas contagious?
A doctor has provided 1 answer
People also searched for:
I have an IVC filter that is fractured and perforated. I am getting a hysterectomy. Could the placement of the gas during surgery cause pressure and cause possible movement of the filter?
What are gas less bananas are really gas less i just bought some?
Could a gas mask help from crying when slicing onions?
If I have access to just a surgical mask and not an N95 mask, should I even bother wearing it since it doesn't actually filter viruses out of the air?
How do you eat with a gas mask on if there are pollutants in the air?
Didn't find what you're looking for?
90,000 U.S. doctors in 147 specialties are here to answer your questions or offer you advice, prescriptions, and more.
Ask your questionMore of what we treat
Content on HealthTap (including answers) should not be used for medical advice, diagnosis, or treatment, and interactions on HealthTap do not create a doctor-patient relationship. Never disregard or delay professional medical advice in person because of anything on HealthTap. Call your doctor or 911 if you think you may have a medical emergency.
HIPAASecure
SOC 2 Type 2Certified
JCAHOAccredited
Download HealthTap
Video visit and message your doctor
