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- Pack of 50.
- Ear Loop.
- Protective, breathable, dust-proof, 3-layer masks ideal for everyday use.
- 每盒50片。
- 耳環式口罩,方便穿戴。
- 防護性強,透氣性強,防塵性強,3層設計,方便每日使用。
Three levels of ASTM barrier protection
Level 1: low barrier protection for general use for low-risk, nonsurgical procedures and exams that do not involve aerosols, sprays and fluids.
Level 2: moderate barrier protection for low-to-moderate levels of aerosols, sprays and fluids.
Level 3: maximum barrier protection for any situation that has the potential for exposure to heavy levels of aerosols, sprays and fluids.
了解清楚三級ASTM的防護分級
第一級:低防護 使用於低風險環境,與不包括使用噴霧劑,氣霧劑,和液體的非手術環境。
第二級:中級防護 用於少量到中量有使用噴霧劑,氣霧劑,和液體的環境。
第三級:最強防護 用於有可能暴露在使用高濃度氣霧劑,噴霧劑,以及液體的環境中。
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