David might need to fan his fans

Custodians of Michelangelo’s “David” are thinking of blasting air at dusty, sweaty tourists to stop them from sullying the Renaissance sex symbol.

Months after a painstaking and costly cleanup of the 500-year-old nude statue, experts at the Galleria dell’Accademia in Florence, Italy found dust and humidity brought in by streams of tourists had begun to tarnish their top crowd-puller again.

Museum director Franca Falletti said one possible solution was to have air blowing out from behind the 15-foot marble statue, reversing an existing draft in the museum that lets dust settle on the famous boy with the slingshot.

Other options include another wash for David -- controversial because of potential damage to his delicate features -- or asking tourists to rigorously brush off before entering the museum.

“We will monitor the situation over the next two years and are looking at all the options to find a good system of defense for David,” Falletti said.