Porsche Heavy Duty Dry Flow Filter Cleaner 1 Gal 99-0638 8E0-721-257-M DN (NW): 4/6

DN (NW): 4/6

Comes with four correct rivets

Safe for Most Filters: Suitable for use with a variety of air filter types

Porsche Side parts of the vehicle key painted

Porsche Don't accept cheap imitators

Porsche Heavy Duty Dry Flow Filter Cleaner 1 Gal 99-0638 8E0-721-257-M DN (NW): 4/6Porsche Heavy Duty Dry Flow Filter Cleaner (1 Gal). The K&N Heavy Duty DryFlow Air Filter Cleaner is a powerful and effective cleaner specifically designed for heavy duty commercial air filters. It is a versatile cleaner that can be used to clean a variety of air filters, including those used in large turbo diesel engines, class 6 8 over the road trucks, agricultural and earth moving equipment, and diesel motor homes. Here are some of the key features