Stanley Nuisance Disposable Dust Mask, Box of 50 (RST-64001),Stanley,RST-64001" /> Disposable mask is lightweight and humidity-resistant for comfortable on-the-job protection Latex-free filter media offers lower breathing resistance Single strap and adjustable nose bridge provide a secure, customized fit One size fits most faces for versatile protection on the jobsite Suggested applications: pollen, dust, dander; not NIOSH approved; not for use against silica, asbestos or other harmful substances; box includes 50 dust masks