SELKIRK Type B gas vent wall thimble 3RV-WT 3 inch 187703R
New unused does not come in original box. For type “B” Gas vent Selkirk 3″ WALL THIMBLE #187703R 3RV-WT ADJ
New unused does not come in original box. For type “B” Gas vent Selkirk 3″ WALL THIMBLE #187703R 3RV-WT ADJ