Used on unit sizes CW35-CW6 and CX35 with a 20 inch opening, and uses the standard split arm upper hinge
Right hand - a right hand unit will have the lock on the right hand side when viewed from the interior
Left hand - a left hand unit will have the lock on the left hand side when viewed from the interior
For units manufactured from 1966 to current, if the window was
manufactured prior to 1981 you must replace both the upper and lower
hinge
Andersen part orders over $50.00 receive "FREE SHIPPING" & in most cases would be delivered within 7-10 business days.