Hi-Tech designs, manufactures, installs, and services all its products in house. This insures that the products you purchase are free from defects in design or craftsmanship. Hi-Tech Environmental offers the best warranty on drive units in the industry, 5 years. Hi-Tech engineers its products to withstand the harsh environment in which they are used. Hi-Tech supplies a complete line of products for the water and wastewater treatment industry, including clarifiers, grease and grit removers, distributors, screens, and almost any other product needed to complete the job.