Hurry! $1 any One Purex Liquid Laundry Detergent (any size) Posted by Harbor Master on 9 October 2017, 10:51 am Tweet The Coupon Expires 01/23/18, Note the Really Long Expiration date! (The print limit is two)(The Coupon states limit of one identical coupon per shopping trip) Click here to print a coupon for $1 any One Purex Liquid Laundry Detergent (any size) Walmart sells 50 oz Purex Dirt Lift Action Mountain Breeze Detergent for $2.97, everyday. Just $1.97 after the $1 off one coupon above.