Terms and Conditions: Offer valid for US customers only. Must be purchased between 1/1/20 and 12/31/20. Valid on all Mettler Toledo pH meters. 10% Cash Back based on final purchase price. Rebate may not exceed $1,000. Please allow 6-8 weeks for rebate check to be mailed. Void where prohibited by law or company policy. Not valid with other offers/promotions. Customer must attach completed form along with copy of their invoice. Limit one redemption per customer. Promotion may be suspended at any tim. Redemption forms must be received no later than 30 days after date of invoice.