Description: reusable half mask with one filter
Face piece: silicone rubber with direct couplings made of polyester and coated rubber
Size: universal, ergonomically adjustable for each user
Valve conection: Standard polyamide thread (PA), (EN 148-1)
Valve: two exhalation valves, all 400 series valves are compatible
Weight: 150 gr
Standard EN 140:1998