Rooto 1030 1 LB Container Of No. 4 100% Lye Crystal Household Drain Opener - Quantity of 10

1 LB Container, 100% Lye Crystal Drain Opener, Safe For Use On Any Small Drain, Easy To Use, Ready To UseYou may also like Flow-Easy 32oz Buffered Sulfuric Acid Liquid Drain Opener - 6pk Case.