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TALLAHASSEE, Florida -- Three Republican senators filed a bill Wednesday that would legalize a marijuana extract supporters say would help children with a form of epilepsy.

Florida News Service reports Senators Jeff Brandes, R-St. Petersburg; Rob Bradley, R-Fleming Island and Aaron Bean, R-Fernandina Beach have filed the bill (SB 1030) which is similar to House proposal (HB 843). The bills focus on a substance known as "Charlotte's Web," which has such a low level of THC that users would not get high.

"Charlotte's Web helps patients improve their quality of life and offers hope to parents desperate to provide relief to their children," Sen. Bradley said in a prepared statement. "While many Floridians have significant concerns about medical marijuana being misused, SB 1030 offers a new opportunity for Floridians who have not found relief with current medications."

"This is completely different from what the public knows about marijuana," Sen. Bean said. "I'm excited about the possibility of ending seizures in medically challenged kids."

Florida voters will vote in November on a constitutional amendment legalizing medical marijuana in the state. So far, 20 states allow medical marijuana use and supporters say it's time for Florida to get up to speed.

MORE:Medical marijuana gets traction in the Deep South