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Amazon [amazon.com] has 19-Oz Windex Fast Shine Foam Glass Cleaner Spray (Grapefruit) for $2.97 – 5% when you check out via Subscribe & Save = $2.82. Shipping is free with Prime or on $35+

Walmart [walmart.com] also has 19-Oz Windex Fast Shine Foam Glass Cleaner Spray (Grapefruit) for $2.97. Shipping is free with Walmart+ or on $35+