$0.99 Purex Liquid Laundry Detergent after coupon through 4/14! Hurry and print this new coupon for Purex laundry detergent to score bottles for $0.99 at Walgreens this week! Do note that this printable Purex coupon has a limit of one per shopping trip, but you could get one each time you go. Buy 1 Purex Liquid Laundry Detergent, 43.5-50 oz $1.49 Use one $0.50 off One (1) Purex Laundry Detergent, limit 1 Final Price: $0.99