12-Pack 32oz Windex Glass and Window Cleaner Refill Bottle $18 at Amazon
Amazon has the 12-Pack 32oz Windex Glass and Window Cleaner Refill Bottle (Original) for $20 - 10% off coupon (check "Apply Coupon") =
$18 with free shipping on $25 or with Prime. Bottle made from 100% recycled plastic.
Original Source of Info