Feature●Quantity: 1 box (50 sheets)●Material: Inner layer/Outer layer: Polypropylene (polypropylene) non-woven fabric, Nose clip: PE (polyethylene), Ear strap: Polyester●Size: 7.1 x 3.7 inches (180 x 9●3-layer type●This is a product for business contractorsDescription
Product Description
Material is Class 100 compliant
Manufactured and packaged in a class 10.000 clean room.
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This product is for researchers and businesses