This coupon has expired $2.00 for Mucinex. Offer available at Walmart, Walmart Pickup & Delivery. expires on 01/17/21 Other coupons you may be interested in $1.00 for Jarritos (expiring on Monday, 01/02/2023). Offer available at multiple stores. $1.00 for Sangria Senorial (expiring on Monday, 01/02/2023). Offer available at multiple stores.