Suggest an update Name* Categories* State* Locality* ZIP* Street address* Phone* Website* Company description* You have visited the company page 3CH, which is in category carbon filters. The legal address of the company is 11 Olds Close f, Watford, Hertfordshire WD18 9RU. For more information, call 01923718973 Your comments* (not for publishing) * — Required information 3CH ← View details 11 Olds Close f, Watford, Hertfordshire WD18 9RU, United Kingdom, Watford, HERTFORDSHIRE 01923718973