Elipse Half Mask (SPR501)The Elipse Half Face Mask P3 is latex and silicone free and is comfortable to wear for long periods of time.The Elipse SPR501 P3 respirator mask comes with a pair of P3 filters providing protection against fine dust particles, metal fumes (smoke), asbestos, oil & water mists, bacteria & viruses. Satisfying the European Standards for EN140 and EN143: 2001. The ready to wear half mask is a lightweight TPE face piece which is Latex and silicone free, and is comfortable to wear for long periods of time. The low profile filters provide a clear field of vision with no obstruction.