DPL01 FFP3 NR mask, this disposable non-valved cup-shaped half mask respirator has an independent fit test pass rate of 92% (source: Northern & South Eastern HSC Trusts). It offers a superior comfort factor even after several hours of wear, and the technology provides low breathing resistance. The DENPRO mask has a patented structural design which promotes breathability and is revolutionary within the market, making it truly unique. Additional features include 4-point head strap adjustment, splash resistance, latex and metal free, lightweight and can be worn with glasses.