Put extra cleaning and odor neutralizing power to work in your vacuum with this HEPA grade filter that uses Arm Hammer baking soda to do its job Arm Hammer Lift Away HEPA Filter As dirty air passes through filter Arm Hammer baking soda particles neutralize odor bearing chemicals made to fit Shark Lift Away bagless NV221 NV350 NV355 and NV355 E Series and Uprights including Navigator Lift Away and Navigator Lift Away Pro units Specifications . Style XHF350 XHF500. Weight 0 87 lbs