Poweka 2 Air Filter Replace Briggs & Stratton 393957 393957S 390930 Ariens 02451900 John Deere PT9334 PT4301 New high quality aftermarket replacement air filter Height: 3 3/4 ", OD: 4 1/4 ", ID: 1 7/8 " Replace for Briggs & Stratton Ariens John Deere Laser Prime Line and many more Package includes 2pcs air filters You will receive exactly what you see on the picture