Friz-Tech Pvt. Ltd. Manufactures Water Coolers for Food Preservation. Friz-Tech Pvt. Ltd. Also manufactures Refrigerator, Cabinets, and Freezers. Water Coolers for Food Preservation are available with +8°C to +10°C temperature range. The Cooler comes with different capacities, ranging from 15-30, 40-60, 80-100, 120-150, 150-200 ltrs./hr. This Machine is designed and developed for the preservation of food stuffs in the field of Food-Processing, Catering, and hotel industry.