Payment and billing

1. Accepted Payment Methods

• Major credit and debit cards
• Zelle

All transactions are processed in United States dollars.

2. Payment Processing

• Payment is required in full at checkout
• Orders are processed only after payment is confirmed
• Zelle payments must follow the instructions provided after checkout
• An order may be cancelled if payment is not received in a timely manner

3. Billing Accuracy and Order Changes

• Customers must make sure every order detail is correct
• Contact us within 3 hours of placing an order for a correction
• After that window a change is not guaranteed
• An issue found after shipment falls under our Refunds and Returns policy

4. Fraud Prevention and Verification

• We reserve the right to cancel or refuse a suspicious order
• We may request identity or payment verification
• An order flagged for risk may be delayed or cancelled

5. Taxes and Fees

• Sales tax may apply depending on your location
• Customers are responsible for any external transaction or conversion fee

6. Billing-Related Returns and Refunds

Dual Chambers maintains a strict policy on billing disputes. A refund is issued in the following cases:

• The pen arrives damaged
• The wrong item was received
• The order was not delivered

Requirements:

• Contact us as soon as the issue is detected
• Proof may be required, such as photographs and your order details

We do not offer a refund for:

• A change of mind on an opened pen
• An incorrect order placed by the customer after the 3 hour window
• Misuse, or a misunderstanding of the intended purpose of the product

An approved case is resolved with a replacement or a refund at our discretion, under our Refunds and Returns policy.

7. Research Use Disclaimer

• All products are for research purposes only
• Not for human or animal consumption
• You must be at least 21 years old to purchase

8. Limitation of Liability

Dual Chambers is not responsible for:

• A payment processor delay or failure
• Incorrect payment details provided by the customer
• A delay caused by verification or a fraud check

9. Changes to This Policy

We reserve the right to update this policy at any time. An update is reflected with a revised last updated date. Continued use of the website indicates acceptance of the change.

10. Contact Information

Phone: (888) 712-4689
Email: support@dualchambers.com