Bacterial contamination tests — Stock photos

"Bacterial contamination tests" is an authentic stock image by ScienceRF. It’s available in the following resolutions: 1600 x 1200px, 2600 x 1950px, 5440 x 4080px. The minimum price for an image is 49$. Image in the highest quality is 5440 x 4080px, 300 dpi, and costs 449$.