Selkirk SURE-TEMP Insulated Wall Thimble, Wall Mounting

• The insulated wall thimble installs quickly and eliminates the need for using individual firestops, the round shielding acts as a radiation shield and provides the required 2 in (air space) clearance to combustibles
• The two sections telescope to accommodate 6 to 11 in wall thickness
• Interior wall plate painted black

• https://assets.unilogcorp.com/187/ITEM/DOC/Selkirk_100017642_Catalog.pdf Catalog