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DuPont™ Sierra™ Procedure Mask

Sierra™ masks for cleanroom environments provide a balance of bacteria and particle filtration efficiency and breathability.

Manufacturer:  DuPont™ ML732WWH000500BB

Catalog No. 19-088-879

This item has been discontinued by the manufacturer and is no longer available. Please call customer service for assistance: 1-800-766-7000.Due to product restrictions, please to purchase or view availability for this product.

This item is not returnable. View return policy



  • Available in 7 in. and 9 in. sizes
  • Available in blue and white colors
  • Pleated mask design with metal nose piece
  • Available with tie fasteners or ear loops
  • Cone mask option with adjustable nose piece and over the head band
  • Sterile options are available


Procedure Mask
Controlled Environment
Product Certifications
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