If you need assistance with your order, or if you wish to cancel or obtain a refund, please call our Customer Service Department at: 1-888-478-0415 (USA) or 0203 608 4832 (UK).
Our operators are standing by to assist you 8:00AM to 8:00PM Monday through Friday (Eastern Time), and 9:00AM to 2:00PM Saturday (Eastern Time). Telephone support is not available on Sundays.
To cancel your NO2 Maximus account, click here to access our Easy Cancel Form.
Or, if you prefer, you may send our Customer Service Representatives a message through this convenient online form. Typically, we will respond within 12 hours of receiving your message, including Sundays.
Thanks again for visiting our website.
All the best,
USA Address: (USA Corporate Address, not for returns!) CLICK HERE FOR RETURNS / REFUND ADDRESS.
320 7th Avenue
Brooklyn, NY 11215, USA
Toll Free Telephone: (888) 478-0415
UK Address: (UK Corporate Address, not for returns!) CLICK HERE FOR RETURNS / REFUND ADDRESS.
4 Copthall House
Telephone: 0203 608 4832