T-H Marine Quick Flush Outboard Flush Kit The T-H Marine Quick Flush Outboard flush Kit provides a quick and easy way to flush any outboard equipped with a flushing port. Use the Quick Flush to flush salt or sand from your boats outboard. Simply replace the outboards flushing port plug with the Quick Flush slide valve. The quick connect attaches to your hose, allowing you to easily snap the hose on when youre ready to flush your engine. These kits include everything you need to take the hassle o