If it's a dry duster (not the wet Swiffer pads), it should work fine. Compressed air works better for electronic equipment, but a dry duster should be fine as long as it doesn't produce/hold static.
"I did RC5, but I didn't flush." - Bill Clinton
"I invented distributed computing." - Al Gore
"I had a dream where every American would be free to run SETI@Home!" - Martin Luther King Jr.
"Greendale is a bodaciously small town, Lane... I can't even Find-A-Drug here!" - Charles De Mar (Better Off Dead)
"I did not have BOINC relations with that woman, Rosetta@Home!" - Bill Clinton