Selkirk 208463 Insulated Wall Thimble, 8", #8T-IWT SummerFun Textured rust finish cast aluminum

Textured rust finish cast aluminum with clear seeded glass

Hardwood handle provides comfort and control

Holds 48 tools

1620 Cfm for attics up to 2300 Sq

Selkirk 208463 Insulated Wall Thimble, 8", #8T-IWT SummerFun Textured rust finish cast aluminumInsulated 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 inch air space clearance to combustibles. The two sections telescope to accommodate 6 to 11 inch wall thickness. Part no: 8T IWT Size: 8" Measures: 22" x 16" Opening Required: 14 18" by 14 18" The round shielding acts as a radiation shield and provides the required 2 inch air space