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RD40x1/7" NATO - 22M DAR adapter
thingiverse
Adapter for a NATO standard (EN 148-1:1999) mask connects securely with 22M connector to attach bacteria/virus DAR filter. Latest version 6 offers improved seal and easy attachment/detachment by adding an extra collar, enhancing connection between adapter and filter. This updated design replaces support structure for better performance. Polish rescue team members have thoroughly tested this product.
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