Liquid-Plumr Pro Gel Drain Cleaner Clorox Pro-Strength Liquid Plumber and Clog Destroyer, Pipe Guard, 2.37L. $23.87 current price $23.87 Clorox Pro-Strength Liquid Plumber and Clog Destroyer, Pipe Guard, 2.37L. 17OZ SLOWFLOW DRN CLNR