Protective filter MoF – 6 combined A2B2E2K2HgP3 D R Diameter x height: 110 x 81 mm Weight: 350 g Breathing resistance at: 30 l/min - 170 Pa, 95 l/min - 650 Pa Penetration coefficient: 99.95% Thread connection: EN 148-1 Rd 40x1/7”