6" Ventis Blk 24" Tall Ext Round Support - VACCREXT2406 Legend Options Less likely to corrode

Less likely to corrode

16cm depth and multiple length options

For added customization

Includes poker

thin set and grout

6" Ventis Blk 24" Tall Ext Round Support - VACCREXT2406 Legend Options Less likely to corrodeThis Ventis Class A ceiling support extension adds height to a standard support box for taller ceiling penetrations, maintaining the same UL 103 HT listed clearance and structural support as the rest of the system. Painted black steel construction matches the finished look of the installation. 430 alloy stainless steel outer casing 0. 016" thickness 2" clearance to combustibles Outer wall is 2. 5" larger than inner wall Clean, smooth exterior finish