Designed to fit: Dirt Devil F2. Guarantee: The enclosed vacuum cleaner filter is guaranteed against defects in construction and materials. Should a filter fail under normal home usage, we will send you a replacement at no charge. Return the defective filter along with this guarantee to: Rug Doctor, 415 C Axminister Dr., Fenton, MO 63026. For more information on renting or purchasing Rug Doctor products call 1-800-RUG-DOCTOR (1-800-784-3628) or visit us on the web at: www.rugdoctor.com. Made in China.