Mielec: ul. Korczaka 33A, 39-300 Mielec tel: (17) 788-27-14
Kraków: ul. Zdunów 42, 30-428 Kraków tel: (12) 394-60-30
The mask features a new improved exhalation valve assembly that reduces breathing resistance by more than 40% * compared to the previous 4000 Series.