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For more information about NSF services, please contact us.

Manufacturers, retailers, and other business professionals who would like to receive an estimate or who have general questions about NSF or its programmes and services, get in touch.

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Have Questions About Certified Products?

Consumers with questions about water filters, bottled water, faucets, dietary supplements, food safety, residential appliances or other consumer products are invited to contact our Consumer Affairs Office on 00 1 734 769 8010.

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Media Enquiries

Reporters, producers, and editors looking for background information and interviews on an array of public health and safety topics are invited to contact our media relations team.

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Please Be Aware

NSF will never call, email, or text to solicit donations or ask for money. If you receive a call, email or text from someone claiming to be from NSF and requesting money, please report the incident to the Federal Trade Commission.