PNG ICO ICNS MORE
Network & communications
Pixel
16x16 Free Application Icons
prohibition, danger, reject
Firebrick
16x16
danger, wind, Gesture
Salmon
PNG MORE
Files & folders
ExplodingBoy Pixel Icons
exclamation
Coral
20x20
CornflowerBlue
PowderBlue
LightGray
UI
Fugue Icons
Brain, exclamation
PaleVioletRed
thermometer, exclamation
Gray
weight, exclamation
DarkSlateGray
document, Blue, exclamation
SteelBlue
exclamation, Folder, Blue
LightSteelBlue
exclamation, Chair
SaddleBrown
exclamation, cutter
DarkGoldenrod
Ice, exclamation
Toolbox, exclamation
DarkRed
exclamation, truck
Tooltip, exclamation, ui
Sketchdock Ecommerce Icons
triangle, exclamation, Alert
Crimson
24x24
Mixed
PixeloPhilia
Alert, Attention, exclamation
32x32
Battery, exclamation
exclamation, Beaker
exclamation, bean