What is 3M's warranty on this product?

Good question! Yes, all of 3M’s products do have a limited warranty – we state that the product will be free from defects in material and manufacture. If the product is defective, your exclusive remedy shall be at 3M’s option, replacement of the product or refund of the purchase price. For this product the limited warranty is 12 months from the date of purchase. To redeem the warranty, our technical team would ask for both the product and receipt. If you have further questions, feel free to call us directly at 800-494-3552. Thank you!