About 3M 1621 SAFETY EYEWEAR: With superior comfort, fit, field of view and a modern ergonomic design, these goggles offer a high-level of protection, making them ideal for use in extreme conditions against hazards such as liquid droplets, gases and dust. Fits over most prescription eyewear. Indirect-venting system designed to circulate air and help minimize fogging while keeping liquids out. Polycarbonate lens absorbs 99.9% UV. Meets the High Impact Requirements of ANSI Z87.1-2003. About 3M 9004V MASK: The 3M 9004V is a dust mask composed of three layers of filters. The outermost layer filters out the largest dust particles, the innermost layer preserves the respirator’s shape and the middle layer is composed of electrostatic filter media. It has the ability of this respirator mask to filter above 90% of 0.3-micron particulate dusts. (Scientific research has proven thatfor all dust particles sizes, 0.3 micron dust are the most difficult to filter effectively). This 3m mask is used as a disposable face mask for respiratory protection against fine dust particles. It is a bestselling Safety mask in 3m Safety products line. 3M 9004V mask has cup shape design and comes with aluminum nose clip & neoprene elastic band for comfortable fitting on every face. 3m 9004V is not a N95 mask and it is not a breathing mask used in acid/alkaline/gas particles.
