Nephros Inc.'s common shares have been approved to list on Nasdaq, one of the largest stock exchanges in the world.

The South Orange, N.J.-based company, which develops and sells liquid purification filters, is listed on the OTCQB Venture Market, a stock market for over-the-counter securities.

The company expects its common stock to begin trading on Nasdaq on Aug. 14 under its current ticker symbol NEPH.