Selkirk 187703 Round Type B Gas Vent Wall Thimble, 3", #3RV- WT FREE SHIPPING 5/32" and 3/16" blind rivets

5/32" and  3/16" blind rivets

The bottom sheet blocks the direct oven heat while the layer of air acts as an insulator preventing the top sheet from overheating

Increases coverage area & illuminates 2 sides of building with 1 light fixture

75 Nails Per LB

Easy-to-read stamped markings

Selkirk 187703 Round Type B Gas Vent Wall Thimble, 3", #3RV- WT FREE SHIPPING 5/32" and 3/16" blind rivetsThe RV line of Selkirk round vent pipe and fittings is designed for use on approved gas appliances in residential and light commercial and industrial applications. Round vents for large appliances will be found in the QC section which follows. Size 3" Part No. 3RV WT Measures: 3 58" x 7" Used to ensure clearance to combustibles is maintained Wall Thimble also serves as a firestop Adjusts from 4 1 8" to 7" to fit thickness of wall