https://www.mccoys.com/shop/p/6217020-052303-36/selkirk-243460-wall-thimble-wall
Type L pellet vent wall thimble must be used in all thru-the-wall installations involving combustible construction. UL listed.
- Maintains airspace clearance
- Centers pipe between walls
- Telescopic design can be used on standard walls 5 to 9 in thick
Dimensions
3-5/8 in ID x 7-1/2 in OD
Mounting Type
Wall