UNIVERSAL DESIGN - Adapts to most window units (check description below for window requirements).
INDOOR INSTALLATION - Easy breezy install, without exterior work, just drilling into window sill.
RELIEVE STREE ON THE WINDOW - Transfers the stress and weight from the window sill and sash to the support and window frame for safety.
FITS WALL THICKNESS from 2" to 11", exclusive built-in bubble level to correct mounting slope position.
ALL NECESSARY HARDWARE INCLUDED and all weather construction.US Patent Pending. All Rights Reserved.