Combo Sliding Screen Door Upper + Lower Roller Assembly Fits Andersen Part #1997063 & #1997310 (1991 to P), 1-1/4" Nylon Concaved, Edge Adjustable, 2 Pairs. Commonly used to replace gliding patio door insect screen rollers assembly for Andersen 200 Series Perma-Shield Gliding, 200 Series Narroline Gliding, 400 Series Frenchwood Hinged, 400 Series Frenchwood Gliding and A-Series Gliding Patio Doors.
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