The 100% medical-grade silicone facepiece is flexible, to provide a soft, secure and comfortable fit. Dual elasticity headstraps provide a secure and flexible fit. Wide contoured sealing area fits a greater variety of facial types. Variable thickness in sealing area provides the optimal amount of seal on each area of the face for superior comfort without sacrificing fit. Can be adapted to PAPR or Supplied Air to offer flexibility in the workplace. NIOSH Approved. Compatible with Honeywell North N-Series cartridges and filters (sold separately).