Guardian Environmental Products, Inc. is exclusively devoted to developing and advancing rectangular clarifier process and reliability in the water and wastewater industry. Our range of equipment is the broadest in the industry, combined with un-equaled field experience, we are uniquely qualified to offer the best engineered system for every individual plant’s needs. In addition to our fully engineered Troll collector systems, Guardian also has a broad history of retrofit parts and systems for all major rectangular clarifier designs and manufacturers.