HySecurity Base Extension and Retrofit Adapter for SlideSmart HD | HYS-MX4489 Liftmaster Mega Tower and approved to meet hurricane-ready

and approved to meet hurricane-ready requirements by reinforcing the garage door automatically

9”) x 38mm (1

and the personalized key ensures its uniqueness

25 inch (1

LiftMaster Q044

HySecurity Base Extension and Retrofit Adapter for SlideSmart HD | HYS-MX4489 Liftmaster Mega Tower and approved to meet hurricane-readyHySecurity Base Extension and Retrofit Adapter for SlideSmart HD HYS MX4489 Base extension for SlideSmart HD15F, HD25, HD30. Raises operator 14 inches off foundation. Hot dip galvanized finish. Includes retrofit adapter for other post mount operators; 24 inch inside spacing, 26 inch outside spacing. Note: This accessory is compatible with the HySecurity SlideSmart HD operators.