Enervex 2-Hole Plenum Box for RS & RSHT 16"-18" Chimney Fan tv-lift You first have to identify

You first have to identify what your needs are

Descriptions:

Complete control of heat output with On/Off and Dimming functionality

Black Granite Color

Enervex 2-Hole Plenum Box for RS & RSHT 16"-18" Chimney Fan tv-lift You first have to identifyPLX Plenum Boxes are used when installing multiple chimney fans on the top of a single or double wall steel chimneys. When modified, they can also be adapted to masonry chimneys. The plenum box has a collar that is designed to slide into the steel chimney for a tight fit. The box itself must be supported due to the weight. Features Material Standard plenum boxes are made of 14 GA 316L stainless steel. Pre formed fan attachments Can be designed for