Life Automotive Products INVENTED, DESIGNED & PATENTED the first aerosol Transmission Cooler Flush product in 1993 utilizing an OEM approved, biodegradable cleaning agent. Trans Flush s unique design and patented technology have made it the #1 selling cooler and line flusher worldwide. It safely flushes out harmful contaminants (metal shavings and sludge) from the transmission cooler and lines preventing the contaminants from entering a newly installed transmission. Accept No Imitations.Prevents Contamination (metal shavings & sludge etc.) Prevents Costly Comebacks Patented High Pressure Cleaner #1 Choice of Professional Mechanics Worldwide OEM & Large Rebuilder Approved Supplier Proven and Used in Millions of Vehicles Ideal for Installers & Ship Out Transmissions Comes with 5/16 Fitting