Water Powered Drain Unclogger DRAIN KING, Drain Opener - 455F15|501 - Grainger Commercial Grade Drain Cleaner Water expands Drain King from 4 to 6 inches to seal pipe and water pulsating jets clear the clogged drain quickly up to 1000 feet Drain King H34 Main Basement 3-Inch to 4-Inch Drain King Important Tips: store in cool dark place, do not use with hot water. Drain King Drain Unclogger For Use With 4 - 6 Drains. Drain King Drain ... 456. Item Weight, 4.2 pounds. Product Dimensions, 10.5 x 12.5 x 4.5 inches Drain King is the original water-powered drain cleaner to ever enter the market Drain King H34 Unclogs Sewer Lines, Main, and Outside Deck Drains 3 To 4 Inch - Voomi Supply Minimum pressure to inflate is 40 psi up to a maximum of 80 psi