Cup shaped. Disposable Particle Respirator with valve for single use only. Filtering respirator designed to protect against dusts, oils and water based aerosols. Nose Clip: Aluminum. Head Strap: Elastic, woven Polyester straps, Nose Pad: Grey HD PVC foam 2mm, Filter Media: P3D Melt Blown Filter, Innter Layer: 120g/m2 Polyester, Outer Layer: 100g/m2 Polyester, Valve: Polypropylene Base with Silicone Valce. Application limits: 50 x TLV (Treshold Limit Value)