OEM Honeywell PopUP Replacement Media Filter For Space-Guard Model 401 MERV 11POPUP2400 $155.68 SKU: POPUP2400 Back $155.68 Quantity -+ Add to Cart Details OEM Honeywell PopUP Replacement Media Filter For Space-Guard Model 401 MERV 11 DetailsBackDetailsOEM Honeywell PopUP Replacement Media Filter For Space-Guard Model 401 MERV 11See MoreSee Less