Silicon.
Silicon.
LUCKY RESPIRATOR F M731 SpecificationsMethod 1. PurposeThe F M-731 Respirator is designed for repeated protection against particulate matter of non-toxic and non-aggressive dust, as well as for one-time protection of respiratory organs from particulate-aerosol contamination contaminated with viruses and bacteria. 2. MaterialThe respirator consists of several layers of material: the outer layer is made of polyester mesh fabric, the inner layer is a filter medium based on polyester / polypropylene unwoven fabric and polyurethane foam, the outer layer is based on cotton mesh fabric. 3. ConstructionThe respirator is in the shape of a hooked coupe. At the front of the respirator is a PE exhaust valve holder and a silicone rubber valve. A polyester elastic band is sewn onto the respirator to attach it to the wearer's head. The color of the respirator is white. 4.Filter mediumMinimum class F7EN 779:2012 5.Total weight (without covers) Maximum 50 grams EN 14387:2004+A1:2008 6.Marking The label with the name of the product and its expiry date is affixed to the polyethylene bag 7.Shelf lifeMore than 5 years at regulated storage (-10 °C to 50 ºC, RH less than 75%) in original package 8.PackagingPolyethylene bag / carton box
