Flush contaminates from your cooling system. Quickly removes salt and mineral build-up with a simple flush that slips over water inlets. The telescoping tube of this adjustable motor flusher allows precise alignment for hard to reach areas. No tools required, flusher installs in minutes. Large 5-5/8" dia. cup prevents water blow-by or fall off during usage. Adjusts in height from 18-1/2" to 30-1/2".