3M 9310+ respirator mask for protection against light dust mist and fine particles. The 9310+ uses a low breathing resistance technology which prevents the mask collapsing as you breath in the clean air from the inside. The 9310+ is supplied in boxes of 20, all masks are individually wrapped for improved hygiene. The masks fold flat using the 3-panel design making the easy to store. The flexible material and twin straps relieve pressure around the head and provide a more comfortable fit for the wearer. The twin straps are colour coded yellow to symbolise the masks FFP1 protection level in accordance with EN149:2001.