Podoy 394019 Air Filter for Briggs & Stratton Lawn Mower 272490S 394019S 398825 24150 4136 AM38990 24150 Replaces # 394019, 394019S, 398825 4136, 5052H, 5052K, Pre-Filter 272490S Fits Briggs & Stratton models : 400700, 422700, 40A700, 42A700, 460700 For 12.5 through 20 Horsepower L-head Twin Vertical Engines Packaging including 1 pc air filter +1 pc pre-filter Size: 9 5/8" long, 4" wide, 2 1/2" high. Non original aftermarket parts