Part Number: 001121205R91 Description: Air Filter.
Always the correct part
Part Number: 005555890R9
Description: Inner Air Filter. Item #7 in diagram.
If you have any questions regarding this part, please call us toll free at (800) 787-3676, and we will be happy to confirm that this is the correct item. If it's after hours, feel free to submit your question via email using our CONTACT FORM.