Matco MST401 Battery/Coolant/Def Refractometer

Easily displays condition of ethylene glycol and propylene glycol
Scale to show charge state of battery fluid
Quickly confirm proper concentration of DEF (urea)
Easily calibrate with distilled water
Tool is hand held, works with ambient light and requires no power

Orders are processed and shipped within one to two business days Monday through Friday 9:00 am – 5:00 PM. Your satisfaction is our primary goal! If for any reason you are not satisfied, we offer a 10 day money back guarantee from date of purchase for in-store pick-up orders and 15 day money back guarantee from date of purchase on shipped.