Air Filter / Stihl 4203 141 0300Pack Size:1Stihl 4203 141 0300Dealer Choice 15-1500, Edgewater 017220, ESF 190-740, Foley/PLP 190-740, Green Line 38895, Green Meadow AF9720, J. Thomas T-945, Laser 43068, Landscaper Express 555300, Mow More ST7997, NHC 203-7145, Oregon 30-416, Oregon 30-837, Prime Line 7-08375, Rotary 7997, Sunbelt WE-7997, Sunbelt B1WE7997Stihl BR320 and BR400ID: 1 3/4 ", OD: 2 7/8 ", Height: 1 5/8 "