Designed for use in any thickness
flooring of any material. Same size as the metal register it replaces,
and overlaps the opening with a 1/4" thick, 3/4" wide
self-rimming lip. Specify the exact size of the duct opening. The
Surface Model can replace the metal register.
Insert vents replace the metal register. Cleanly
designed with a solid, self-rimming lip to conceal inexact cuts in your
surface material. Adjustable damper also available in stock sizes.