The DC transformers have been assessed and found by Global Conformity Services (Pty) Ltd to satisfy the requirements of the SABS ISO 9001:2000 Quality Management Systems and are permitted to carry the Certification Mark.  The Toilet Odour Removal System was tested by Test Africa and found to conform to the EC Declaration of Conformity - Council Directive 73 / 23 / EEC.  The product was also assessed by the IEC 60065:2001 and SANS 60065:2003 standards and specifications.  The Toilet Friend Type TF129AU power supply was tested by International Testing and Certification Services (Pty) Ltd (Test Report No. 3935/2 - 30 April 2007) and found to comply with AS/NZS 60065:2003.