Discontinued.  This handle is only available through Pella's Storm Door Customer Service, 1-800-328-6596. Need to provide the serial number off the door. 

Pella Exterior Handle Screen / Storm Door - Pewter/Antique Nickel
Available Colors: Pewter/Antique Nickel and Polished Brass.
Made for exterior storm or screen doors.
Handles will fit both swing of door, both left and right.