Get in touch with 1Stopfilter!

Contact us

Hello, welcome to 1Stopfilter. Whether you have questions about our products, shipping, returns, size guides, drop dates, or anything else on your mind, we’d love to hear from you. We’ll be respond to within 24-48 hours.

Phone: +86 -18368856266 (Mon - Fri: 8am - 7pm ET)
Company: Hangzhou Hansu import and export Co., Ltd.
Room 402, Building 1, No. 1, Beishanbei Road, Xindeng Town, Hangzhou, 311404,China

Live Chat

Need help? Contact us via our Live Chat option in the bottom right corner of your screen. Our team is available Mon-Fri 9:00am-5:00pm EST.

E-Mail Us

Please email us at or contact us using the form below and allow 1-2 business days for your response.

FAQ and Returns & Exchanges:

If you have questions about our products and fit, please check out our FAQ page

Returns and Exchanges? You can find it here.