Comtec’s new line of Winterbox back-flow and clock enclosures are revolutionizing the irrigation industry. Made with the most advanced plastic material available, TPO, our enclosures are strong, weatherproof, and include a 5-year limited warranty from date of purchase. Unlike metal, Winterbox enclosures will not rust or corrode, is much more impact resistant, lighter, and designed with aesthetics in mind. Manufactured using a neutral green color, our stylish enclosures blend well with all surroundings. Their lightweight makes them more affordable, both in price and shipping.