Hypoallergenic non-woven disposable protective mask OXYLINE X310SV FFP3 NR D with exhalation valve made from synthetic fibres. The filtering respirator protects against fine dust and toxic solid and/or liquid aerosols – high concentration dust, beryllium, radioactive particles, antimony, arsenic, cadmium, cobalt, nickel, radium, strychnine. P3- efficiency 98%. Adjustable rubber straps.Standards: – EN 149:2001+A1:2009 – Respiratory protective devices. Filtering half masks to protect against particles. Requirements, testing, marking FFP3 NR DVery important! OXYLINE X310SV respirator FFP3 NR D does not protect the wearer against gases or toxic fumes. For protection against gases and toxic vapours, a half or full mask + filters should be used according to the requirements. The respirator is not permitted to be used in environments with an air oxygen level of less than 17%. The wearer of the respirator must not have a beard or moustache that affects the effectiveness of the mask.Install the respirator according to the instructions found online and on each product box.