Energy and EnvironmentCarbtrol Corp - Manufacturer of activated carbon filters and remediation equipment. Activated Carbon Systems CARBTROL is a leading manufacturer of activated carbon filters and pollution control equipment for air and water treatment. We supply systems for odor control, water recycle, groundwater remediation and heavy metal removal. Activated Carbon Systems - a full range of activated carbon filters for air and water treatment with capacities to 200 GPM and 20,000 CFM. Odor Control Systems - a full line of systems utilizing activated carbon for odor control and sewage odor