We have 2 AprilAire 110 Replacement Filters for AprilAire Whole House Air Purifiers - MERV 11, Clean Air & Dust, 16x20x4 Air Filter (Pack of 1). Never used (we bought the wrong type).
Full description here : https://www.amazon.com/dp/B0BL5H7HHK?th=1
Price for Pick-up only.
We are ready to ship it locally (MA-NH-CT-RI) for a $10 additional cost.
Payment by cash if local, Paypal otherwise before shipping.