Photo 1 of **AIR FILTER NOT INCLUDED** MAXPOWER 331737B Mulching Blade for 21 in. Cut Craftsman, Husqvarna, Poulan Mowers Replaces OEM #'s 165833, 175052, 406712, 532175064 and Briggs & Stratton 491588S Flat Air Filter Cartridge

Double tap image to zoom

Photo 1 of **AIR FILTER NOT INCLUDED** MAXPOWER 331737B Mulching Blade for 21 in. Cut Craftsman, Husqvarna, Poulan Mowers Replaces OEM #'s 165833, 175052, 406712, 532175064 and Briggs & Stratton 491588S Flat Air Filter CartridgePhoto 2 of **AIR FILTER NOT INCLUDED** MAXPOWER 331737B Mulching Blade for 21 in. Cut Craftsman, Husqvarna, Poulan Mowers Replaces OEM #'s 165833, 175052, 406712, 532175064 and Briggs & Stratton 491588S Flat Air Filter Cartridge