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Denitition Development
Everything is in one box
Lab Supplies
Wave Number
Water bottle and wick included for wet bulb operation
K95 KN95-5 Washable, Reusable Zinc Plate Terminal Denitition DevelopmentK95 KN95 5 Washable, Reusable KN95 MASK WITH FILTER 5 LAYER VIRUS PROTECTION PACK OF 4 This respirator is for at least 95 percent filtration efficiency against certain non oil based particles and aerosols. Five layer design, filter the pollution, gases, odors, dust, pollen, smog, PM2,0 germs, bacteria effectively. 3D and light weight design, initial pressure drop makes you breathe easier. High quality elastic earband, easy to wear and comfortable.
US$ 32.95
US$ 32.95
US$ 32.95
US$ 32.95
