10075909 Medium Advantage 4000 Full-Facepiece RespiratorPrecision crafted to cover a wide variety of respiratoryapplications, our Advantage 4100 Facepiece works withseveral different MSA respirators to provide comfortable,cost-efficient performance. The facepiece is compatiblewith several MSA respirator models, including air-purifyingrespirators, supplied-air respirators and powered air-purifying respirators. Available in both silicone andHycar, this unit comes in three standard sizes for a snugfit. The facepiece also features a rubber or net harness,and every mask features a standard nosecup for reducedfogging in low-temperature or high-moisture environments.Single-port facepiece is compatible with several MSArespirator models for comfortable, cost-efficientperformance. Option of three standard sizes ensures userwill find a solid fit. Standard nosecup reduces fogging.Components lock into place in seconds for quick, convenientperformance. Work well for Asbestos Abatement, Welding,Sanding & Grinding.