Items that are received in defective and unusable condition.

Items that meet the following conditions will be replaced free of charge: Langmuir Systems guarantees the goods received to be defect free for a period of 12 months for mechanical hardware and 6 months for electronics. The buyer is responsible for the replacement of any missing items after the 7 day period expires. Langmuir Systems has the right to refuse replacement of items to any buyer that it suspects may not be truthful.

Langmuir Systems will ship the missing items to the buyer within 10 business days. The buyer has 7 days after delivery to report and request to receive any missing items.

You must provide proof of purchase and your machine's unique serial number (if applicable) via email before a warranty claim may be filed. Warranty benefits only apply to the original purchaser and expire if goods are resold. The terms of the warranty are listed below: All Langmuir Systems products are covered by a 12 month limited warranty on hardware and 6 month limited warranty on electronics.

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