DUPLA is a negative pressure full face mask with EN 148-1 threaded connector. DUPLA can be used either with filters with EN 148-1 connector or with filters Spasciani series 2000 , thanks its the removable adapter. Its face blank is normally made of TPE, but it is also available in EPDM or silicone, with anti-scratch and anti-solvent treated visor.
(Note: Without filter)
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