Limited Time Invitation | Use Code: ISENSUALFLOW5

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Frequently asked Questions

Absolutely. We respect your privacy. All orders are shipped in plain, unmarked brown or white boxes/mailers. The sender’s name is listed as “ISF Shipping” (or your registered business initials) with no mention of product contents or our full website name on the outside.
To ensure maximum discretion, your billing statement will show a neutral descriptor such as “ISF Flow” or “ISF Services” instead of the full website name.
Once your package is handed to the carrier (USPS/UPS/FedEx), you will receive an automated email with a tracking number. You can also use our “Track My Order” page found in the footer.
Yes! Our team is knowledgeable about all the items we carry. If you have questions about how a specific product works or maintenance tips, please use the contact form on the right, and we will guide you.
While we ensure high-quality packaging, damage during transit can occasionally occur. Please contact us within 48 hours of delivery with photos of the damaged item and packaging so we can arrange a replacement for you.
We process orders quickly to ensure fast delivery. If you need to change your shipping address or cancel an order, please contact us via the form or email within 1 hour of placement.

Get in touch with us​

Direct Contact Information

Still Need Help?

If the contact form is not working or you prefer to reach us directly:


Regional Logistics Center (United States):

Address: 1000 High Street
Perth Amboy, NJ 08861, United States

Registration Phone: +1 (470) 334-0433

* Note: This is our regional fulfillment warehouse. Please be advised that this location is not open to the public for customer service, order pickups, or direct sales.

To help us assist you faster, please include your Order Number in your message.

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