Offer valid through January 17, 2013 on installed sales only. Not valid with other offers or prior purchases. *$100 off per basic labor of each window or door opening. Discount on installation is based on basic installation charges (see store for details). Optional installation items not included. **Financing available with approved credit. Offers available only at WindowPRO locations. WindowPRO is an independently owned and authorized dealer of Marvin Windows and Doors. License number available upon request. ®2013 Marvin Windows and Doors. ®Registered trademark of Marvin Windows and Doors. All rights reserved. eGift card Content does not represent an endorsement by American Express. ®Registered trademark of American Express. All rights reserved.