Retail stores such as Wal-Mart and The Home Depot carry Affresh washer cleaner. Affresh washer cleaner is also available online on those stores' websites as well on several popular washing machine manufacturer websites, such as Whirlpool, Amana and Maytag. Amazon.com lists the product for sale as well.
As of 2015, the cheapest place to purchase Affresh washing machine cleaner is Wal-Mart, which lists a three-count package for $6.49 or a six-count package for $9.98, resulting in a slightly cheaper price per unit. Both Wal-Mart and The Home Depot offer free store pickup, and The Home Depot offers free shipping for online purchases over $45. Affresh is a little more expensive at The Home Depot; a three-count package costs $7.99.