This replacement HEPA Media and electrostatic filter set fits the Symmetry Deluxe model S20D and Symmetry Premium model S20P. Two filters trap particles and filter the exhaust air.
Instructions for replacing the filters appear on the back of the package. If someone in your household suffers from allergies, change the filters every six months. Otherwise, replace filters every year. This set includes these filters:
1 HEPA media filter
1 Electrostatic filter.