Helps Prevent Clogs and Water Leaks in A/C Drain Lines. With easy to use directions on the bottle, anyone can do it. Monthly maintenance will save on costly repairs. AC Drain Line Condensate Cleaner Hvac approved. Proper usage will prevent costly water damage and save on annual maintenance costs. We recommend following our easy to use directions once a month for best results. Unclog ac drain line Our Heavy duty, bio enzyme formula will break down and reduce build up in a condenser drain line, drip pan, pump reservoir and p-trap that cause clogging and overflow problems. By preventing drain line clogs and overflow, you will have a free flowing drain lines and zero costly repairs. Easy to use directions make this item a must DIY weekend activity. Brodys A/C Drain line cleaner is a heavy duty drain clog remover and more effective than ac pan tablets. Our formula was tested numerous times to ensure great results. Brodys A/C Drain line cleaner is a heavy duty drain clog remover and more effective than ac pan tablets. By preventing drain line clogs and overflow, you will have a free flowing drain lines and zero costly repairs. In addition your drip pans will remain gunk free. Our Heavy duty, bio enzyme formula will break down and reduce build up in a condenser drain line, drip pan, pump reservoir and p-trap that cause clogging and overflow problems. Proper usage will prevent costly water damage.