67.6oz Windex Glass Cleaner Refill Bottle $5.03 at Amazon
Amazon has the 67.6oz Windex Glass Cleaner Refill Bottle on sale for $6.98 - $1.95 off coupon (click "Save an extra" box) =
$5.03 with free shipping on $25+ or with Prime.
$7 at Walmart / Home Depot.
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