Code
Exclusive for Microsoft: Buy Two Window Units, Get 2 Free Winter Covers with Code MSFTCOVER.
Details and terms
Buy 2 Window Units, Get 2 Free Covers Buy 2, Get 2 Free Covers Customer must use code MSFTCOVER.
MSFTCOVERGo to store
As of 15 Nov 2026, Coupossum lists 1 current offer for Windmill US: 1 coupon code. The earliest one ends on 1 Jan 2030.
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Buy 2 Window Units, Get 2 Free Covers Buy 2, Get 2 Free Covers Customer must use code MSFTCOVER.