Stens 100-009 Air Filter. REPLACES OEM: John Deere: PT18389, PT18390, Kawasaki: 11013-2132, Toro: 93-8636. FITS MODELS: John Deere 180A, 220 and 220A Walk Behind Greens Mowers, Kawasaki FE120D, FE170D, FD671D, FD721D and FD750D, Toro Greens master 500, 800, 1000, 1600, 2600, Greens master Flex 18 and 21. Companion: 100-009 Use with 100-022 Pre-Filter.