Gas mask filters - Mira Safety NBC-77 SOF

Brand new sealed in packaging.

Mira Safety NBC-77 SOF CBRNE Gas mask filter 40mm NATO standard.

I have 7 of these left in stock,  expiration date either 2040,2041 or 2042.

Asking 100$ each. Can be shipped to your door or local Ottawa area face to face. Will accept reasonable offers if you purchase multiple. See my other ads as well. Not interested in trades.