The PTVK430 3" ventilation flange allows fresh air into you home. It has a 3" opening for fresh air. It fits right into the chassis of all LG 4-way ceiling cassettes. It is made of plastic resin. Included is the flange and 4 screws and insulation for installation.
Replacement of malfunctioning Product and Parts for one (1) year from the date of original installation.