Basic set of adapters for a full-face mask NATO 40mm (2+1)

Basic set of adapters for a full-face mask NATO 40mm (2+1)
ATTENTION! THE ADAPTERS ARE PRINTED ON A 3D PRINTER, THIS IS NOT A FACTORY PRODUCT. THE LEAK TEST WAS CARRIED OUT IN THE D&D LABORATORY ACCORDING TO THE STANDARD PROCEDURE. FOR THE TIGHTNESS OF THE PRODUCT, GASKETS ARE USED!!!
BRAND: D&D.
MADE IN RUSSIA.
MATERIAL 3D PRINTED PLASTIC 
This basic set of adapters can be used with all gas masks that have 40 mm threads (S10 (FM-12) FM 53, FM 54, C-50, SCOTT FRR, SGE-150, SGE-400, PMK-4, PMK-5, PMK-S, PMK-3, PMK-2, GP-21, GP-5, GP-7, MP-5, MSA Millennium, Willson Sperian) and other models of full-face masks and gas masks.
When using these adapters, it is better to use round filters, otherwise the angle of rotation of the filter may differ from the ideal one, it depends on the type of full-face mask.
The basic set of adapters for the full-face mask NATO 40 mm includes:
1 adapter with 40 NATO threads for 3М bayonet;
1 adapter with 40 NATO threads for MSA bayonet;
1 cap plug.
Does not include filter or mask.
Included gaskets
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