Polywater Prelube 2000 - Winter Grade (for cold weather) has the same characteristics as Regular Grade Polywater Prelube 2000 and is specially formulated for use in temperatures as low as -20¼ F (-30¼ C). For decades, Prelube 2000 has been proven in the blowing of tens of thousands of kilometers of cable in over 50 countries on a variety of cable blowing machines.