Rectorseal Actabs Jr. Air Conditioner and Humidifier Treatment (200-Count)

Actabs eliminate or prevent most blockages in air conditioning and refrigeration drain lines due to the build up of bacterial slime, rust, scale, sludge, airborne dust, silt and other solids. Helps prevent water overflow and damage to floors, ceilings and equipment. Also helps with odors caused by bacteria in drain pans. Safe for computer rooms. Tabs work for up to three months.