Description 1 Gallon (~3.78L) jug of G13 coolant. Mixed stock of Rowe & Zerex. Same product, different labels. VW no longer offers concentrate. Updated purple organic coolant that mixes with the previous generation red coolants. This is a concentrate that is typically run at a coolant/water mix between 50/50 and 70/30. Also available in 1.5L bottles.
