For Sale: 40mm GOST to 40mm NATO Filter Adapter. This product allows the common 40mm NATO filters to be used in GOST 40mm masks. Constructed of PETG and is durable, impact resistant, and tolerates temperatures up to 160 F. This product will not melt in your car in the summer, and is also resistant to chemicals. Filament used is USA made. Free Shipping to the Continental USA, however international buyers are responsible for all associated customs, shipping, and regulation fees. This product has not been tested or verified by: NIOSH, CDC, 3M, OSHA, or any other agency.

40mm Gasket and Gas Mask are not Included in the listing price.