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Network & communications
Pixel
16x16 Free Application Icons
Minus, sign, forbid
Red
16x16
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UI
Sketchdock Ecommerce Icons
Minus, red
24x24
Fugue Icons
fire, Minus
megaphone, Minus
Pill, Minus
Minus, Target
bookmark, Minus
Calendar, Minus
Minus, Pill
Desktop apps
Splashyfish
remove, Minus, sign
Minus, sign, remove