Running low on laundry detergent? Here’s a great deal on Purex Detergent at Walgreens! This week, Walgreens has Purex Laundry Detergent on sale Buy One, Get One Free! No coupon needed. The 50 ounce jugs are $3.49 so that means you’ll pay just $1.74 after the deal. Valid through September 5, 2020. Thanks, Freebie Radar!