CANHEAL Dust Mask Washable and Reusable + 4 Active Carbon Filters Included， Multi-Purpose Particulate Respirator (Small - Medium， Gray/Orange)</br></br><div style="text-align:left"><b>[Product Information]</b><br><ul><li>Lightweight only 2.0 ounces (60 grams) make it more user friendly for long period of time</li><li>Good vision during work due to the unique low profile design， and make it so easy to have glasses or safety googles on</li><li>Soft face seal， make a good seal to user face and stop particles intrusion from surrounding area of the mask， so user can only breathe through filter</li><li>Built-in exhalation valve for quick exit of exhalation， which result in better performance</li><li>Washable and reusable， simply throw-out the old filter， then wash/clean the mask and load the new filter. All models have 4 replacement filters included， more filters can be order separately ( ASIN# B01N5I0V4H， ASIN# B01MZ2DJNG， or ASIN# B01NCOIPXI )</li></ul></div></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br></br><img src='http://ecx.images-amazon.com/images/I/51Xd4vYIKSL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/41SV6SDblRL.jpg' noproxy></br><img src='http://ecx.images-amazon.com/images/I/518MUKmOEmL.jpg' noproxy></br>