Patent ID: 6881238

Claim:
A filter assembly comprising: first and second housing sections connectable along mutually longitudinal centerlines to form a housing having an inlet and an outlet, at least one of said sections being selected from a group of sections having different longitudinal dimensions; a filter element disposed in said housing between said inlet and outlet; a first carrier member disposed between said housing and said filter element, having first sealing means disposed between said carrier member and said housing, and second sealing means disposed between said carrier member and said filter; and a second carrier member disposed between said housing and said filter element, having first sealing means disposed between said second carrier member and said housing, and second sealing means disposed between said second carrier member and said filter element and an opening communicating with an outlet side of said filter element; wherein said second carrier member cooperates with said housing, said filter element and said first carrier member to define a first chamber intercommunicating said air inlet and an inlet side of said filter element, and a second chamber intercommunicating an outlet side of said of said filter element and said air outlet, through said opening in said second carrier member.