Keep the GT Water Products Drain King 3 to 6 inch Drain Unclogger Hose Attachment on hand for removing nasty blocks and backups in your drain. This reusable attachment uses the water from a standard hose to unclog main drains, outside sewer drains, basement drains and outside deck drains without the use of harmful chemicals. Clean-out 3 inch to 6 inch Drains, Sewer, Basement & Main DrainsRugged design and high tensile strength rubber withstands higher pressure and work effectively in larger pipesThe first and only water-powered drain cleaner with the patented dispersing valve.Water dispersing valve turns water into pulsating jets to clear a drain up to 1,000 ftWorks with standard water pressure (50-80 psi)