Sperian Saf-t-fit Plus N95 Disposable Respirator With Exhalation Valve . They're Also Versatile Enough To Be Implemented In Lawn And Garden Projects. The Inclusion Of An Exhalation Valve Allows Hot Air To Exit Respirator For Greater Comfort While A Boomerang Nose Seal Offers Improved Comfort And Fit. Honeywell Saf-t-fit Plus N95 Disposable Respirators Provide Professional Grade Protection. Specifications for Sperian Saf-t-fit Plus N95 Disposable Respirator With Exhalation Valve: Manufacturer: Sperian Quantity: 1 Package Contents: Sperian Saf-t-fit Plus N95 Disposable Respirator With Exhalation Valve