NSF certifies drinking water filters to standards applicable to each type of treatment option. You may notice the NSF mark on a product along with numbers such as NSF/ANSI 53 or NSF/ANSI 42, which refer to the standard to which the filter has been certified.
The definition of a canon is a principle, law or standard by which people are judged or a member of the clergy living according to these principles or laws. An example of a canon is a moral principle that a group believes is correct or proper.
Canon Inc. is a Japanese multinational organization represented considerable authority in the fabricate of imaging and optical items, including cameras, camcorders, scanners, steppers, PC printers and therapeutic hardware. It is headquartered in Tokyo, Japan. For more information, contact Canon contact number.