All DirtDevil.com promotions are valid for a limited time. Pricing and $1 off instant coupon valid through August 11, 2013 and subject to change at any time. See Hoover.com for details. Shipping promotion valid on Standard Shipping only within the 48 US Contiguous States with purchase of Dirt Devil Cleaners. Cannot be combined with any other offer. Promotions not valid on prior purchases. Pricing, promotions and availability subject to change at any time. See website for availability.