Selkirk 208463 Insulated Wall Thimble, 8", #8T-IWT SummerFun Hardwood handle provides comfort and

Hardwood handle provides comfort and control

1620 Cfm for attics up to 2300 Sq

Textured rust finish cast aluminum with clear seeded glass

Can be use in large lawn areas

Zinc surface finish

Selkirk 208463 Insulated Wall Thimble, 8", #8T-IWT SummerFun Hardwood handle provides comfort andInsulated 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