|Item||Retrofit Kit Less Cylinder|
- Provides support for double-door frames and is removable to allow large equipment to pass through door openings. 4AZX7 is a 7-ft. tubular mullion with anodized aluminum finish; includes installation screws and top cover. Retrofit Kit 4AZX6 is used in conjunction with mullions. It is self-locking without use of a key and is removed by unlocking the mortise cylinder (not included).