Cylindrical filter element

The ornamental design for a cylindrical filter element, as shown and described.

FIG. 1 is a front view of a cylindrical filter element showing our design with all other side views being identical; and,

FIG. 2 is a cross sectional view taken in the direction of line 2--2 of FIG. 1.

The broken line illustration in FIG. 1 is for illustrative purposes only and forms no part of the claimed design.

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Executed on	Assignor	Assignee	Conveyance	Frame	Reel	Doc
Nov 18 1998		Pall Corporation	(assignment on the face of the patent)

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