Overview Reviews Product Description Glycol Glycol will help protect your membranes from freezing, 1 gallon size. Material Safety Data Sheet Product Videos Custom Field Auton 1215 Shoot Shot Product Reviews Write a Review Write a Review × Glycol Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *