https://creativecommons.org/publicdomain/zero/1.0/https://www.rawpixel.com/image/8764773Edit ImageSaveSaveEditCropCustom TextU.S. Public Health Service: Demonstration unit- residual spraying for flies. Original public domain image from FlickrMorePublic DomainFree CC0 image for Personal and Business useInfoView CC0 LicenseEditorial use only JPEGSmall JPEG 1200 x 966 px | 300 dpiLarge JPEG 2843 x 2289 px | 300 dpiFree DownloadU.S. Public Health Service: Demonstration unit- residual spraying for flies. Original public domain image from FlickrMore