The HEPA H12 Washable Filter gives you top cleaning performance for all Harmony, Oxygen canisters, Aptitude upright, and all Sanitaire System Pro Canister Vacuums. The HEPA design captures 99.97% of all dust, pollen, and other airborne irritants.
filter is the HEPA filter for your vacuum and on most vacuums that use
this filter it is installed on top of the vacuum, near the back,
underneath the exhaust grill. The filter that belongs behind your vacuum
bag is the motor filter, and is not interchangeable with this HEPA
Filter. However, your vacuum requires that both filters be replaced
periodically in order to run at the highest efficiency. For more
information, please call 866-972-8227 to speak with a sales representative.