Air Filter, Notes: Heavy-duty air filter for remote air canisters., Dim B (2): 4″ OD, Dim C (3): 2-13/32 ID, Notes 2: Fits Exmark models Lazer Z, Z Advantage, Z HP, Z XP and Z XS with 31, 35 HP Briggs; 28, 29 HP, Notes 2: Kawasaki; 25, 27, 28 HP Kohler; 25 HP Kubota Diesel and 27 HP Daihatsu Diesel engines., Notes 3: Fits Kohler models CH18S through CH26S Command Pro 23 & 25 HP engines. Heavy-duty air filter., Dim A (1): 10-1/2″ H