Bought it new, tried it on once. Scott FRR CBRN full face Gas mask Respirator Good as Avon 40mm size 3. I will include a 40mm hepa filter. The item “Scott FRR CBRN full face Gas mask Respirator Good as Avon 40mm size 3 & Hepa” is in sale since Wednesday, November 17, 2021. This item is in the category “Collectibles\Militaria\Surplus\Personal, Field Gear\Gas Masks”. The seller is “casenordber0″ and is located in Castaic, California. This item can be shipped to United States.