Warranty & Return

Navier Instruments mission is to be the most innovative air sampling instruments company in all parts of the world. We love to listen to different voices from users, we aim to contribute a positive impact on society and bring a healthier life to the public.

First of all, please check the package and all items carefully and test them to make sure whether they can work well after receiving the goods. But sometimes the products you receive might not perform as expected upon delivery or after time for reasons beyond our control. In such cases, please do not hesitate to contact us and we will be responsible for you.

1. The item back to us that has not been opened or used within 15 days of original purchase is accepted. A refund will be issued after we receive the packages from the post office. Please pay attention to that the returned package might have clearance risks and related fees when it arrives in our warehouse. In this case, we will have to deduct the fees from the refund. Hope you can understand.
2. For safety and sanitary purposes, will not accept returns : opened or used, and therefore Non-returnable.
3. If a non-defective item is opened and used, we will not accept it back under any circumstances and they are not subject to a refund. For unopened or unused items, buyers are responsible for return shipping costs.

PS:

*Artificial damage and problems caused by misuse are not covered by warranty.
*Any hardware cracking, modification is at your own risk, it will void the warranty.

If items are broken, to save the planet, send the defective item back is needed, please contact us via Email (contact@navier-instruments.com) ASAP! But the following information needs to be provided when asking for replacements:

1. Order number/date:
2. Product name and quantity:
3. Serial number and security code:
4. Defective description:
5. Defective video or pictures:

Note:

* Video/Video link or picture must be straight to the point and show the problem clearly
* Serial Number & Security code must be provided with a picture to show that.

If the buyer offers us complete proof(Video to show how they operate it and Pictures with items Serial & Security code ), we will study it, and we will ask for the quality department to verify again. It usually takes 7-14 days. Hope you can wait for it patiently.
Once the we confirms the problem, we will apply a replacement to you asap.

Please send messages to our customer service team: store@navier-instruments.com. Sometimes when the replacement is not available, we will ship your order first and leave the replacement sent to you with your next order.

3 Months Warranty:
All items come with a 1 year warranty. The warranty period is calculated from the day when the order is delivered.

Note:
* Navier Instruments will be responsible for the shipping cost if the issue is caused by our side and a 50% refund will be covered if the package is lost during return.
*Please make sure the item as original condition, then refund or reship would be arranged.

If there is any item missing in the package, we advise to check the order shipment confirmation message and contact our customer service through store@navier-instruments.com within 48 hours:

1. Provide your order number and missing item name ( SKU number ).
2. Provide the real weight of your package.
3. Please send us a clear picture of the outer packaging, all shipping labels visible, and (if applicable) the item received.
4. If possible, please send us” Unpacking video”.

The solutions for missing items:

*Once we confirm the problem, we will resend the missing item/accessory for free within the warranty period.
*Alternatively we can arrange a refund of the missing item for you.

(You also need to send us a picture of the S/N number, and security number.)