AmeriVent® Wall Thimble, 6-1/2 in Diameter, 3-1/16 in Length, 26 ga, Steel, Galvanized, Import
Diameter : 6-1/2 inDomestic/Import : ImportFinish : GalvanizedGauge : 26 gaLength : 3-1/16 inMaterial : Steel
4 in wall thimbleThe wall thimble adjusts for various wall thicknesses from 4 in to 6 in and provides proper clearance for vent from combustibles