Genuine Pre Filter

Fits Briggs & Stratton. Use with our 4136 Air Filters. Fits models 290442, 290446, 290447, 290772, 290777, 294440, 294442, 294446, 294447, 294772, 294775, 294776, 294777, 295342, 295346, 295347, 295440, 295442, 295446, 295447, 295772, 295777, 296442, 296446, 296447, 297347, 297440, 297447, 303437, 303440, 303442, 303445, 303446, 303447, 303707, 303772, 303775, 303776, 303777, 304447, 305440, 305442, 305445, 305446, 305447, 30544A, 305772, 305776, 305777, 309440, 309447, 350442, 350445, 350446, 350447, 350772, 350775, 350776, 350777, 351442, 351446, 351447, 351772, 351776, 351777, 354445, 354447, 356442, 356445, 356446, 356447, 35644A, 356776, 356777, 35777A, 385877, 38E347, 400417, 400437, 400447, 401411, 401415, 401417, 401431, 401437, 402415, 402417, 402431, 402435, 402437, 402445, 402447, 402451, 404417, 404437, 404447, 421417, 421431, 421437, 422431, 422432, 422435, 422436, 422437, 422442, 422445, 422447.