Brand New (2) Pack of Genuine Briggs & Stratton Air Filters... Authorized Briggs & Stratton Dealer... Sold Loose as Pictured, Pulled from Bulk Packs... (2) Pack of Air Filters Genuine Briggs & Stratton Part # 491588s aka 491588 Width: 4-1/2" Length: 5-1/4" Height: 3/4" Genuine OEM Briggs & Stratton Filters