Deal is active Nov 13-15 and free coupon will expire Dec 31, 2020
Moo moo car wash: Donate $5 to St Jude, receive free car wash (worth $18)
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Basic washes at moo moo car wash are $ 5, and is my usual go to in a pinch. (Plus free vacuums!). Donate the same amount and get their top of the line wash ($ 18 value) . They will text you the link to the coupon.