KX Industries L.P., manufacturer of carbon block filters for residential and commercial use, celebrated the grand opening of its 65,500 sq. ft. Technology Center in West Haven, Conn., and its new 135,000 sq. ft. Injection Molding and Light Assembly Division plant in Watertown, Conn. The additional space will be used to expand laboratory and scientific development efforts, and will house the company's microbiology, filter media, fiber development and paper laboratory.