DiversiTech DF-75 Drain Dawg Inflatable Tip is an HVAC maintenance accessory designed to clear clogged condensate drain lines quickly and effectively. It works by inflating inside the drain pipe to create a secure seal, allowing pressurized water or air to flush out debris, sludge, and blockages without leaks. Designed for use with condensate drain systems in air conditioners, heat pu... https://www.partshnc.com/df-75-diversitech-tip-inflatable-drain-dawg