Free 8 Load Purex at the Dollar General! Posted by Harbor Master on 9 October 2017, 3:34 pm Tweet Expired Check the $1 shelf at your Dollar General for Purex 8 load refills (12 fl oz) Priced at $1. FREE after the $1 off coupon below! Click here to print a coupon for $1 any One Purex Liquid Laundry Detergent (any size)