This offer cannot be combined or used with any prior purchase or offers. 20% off Infinity from Marvin windows and doors. To qualify a minimum purchase of 4 windows, or 1 or more patio doors or French doors is required and is part of a special discount program and requires purchase during the initial visit to qualify. 0% APR for 1 year available to well-qualified buyers on approved credit only. Financing provided by a third-party lender and is subject to credit requirements. additional discount of 5% off is offered to all the victims of the LA fires*Based on the (AAMA), 3rd party testing facility for all window and door materials License # 1002036