Selkirk 3"/4" Wall Thimble (Pellet Vent - UPP - Type L / PL) Size:4-Inch Length 4ft

Length 4ft

This trim kit fits the perimeter of the firebox after the installation of the firebox

Universal Vent Components (Rigid or Flex)

less at temperatures above 80°F

Selkirk 3"/4" Wall Thimble (Pellet Vent - UPP - Type L / PL) Size:4-Inch Length 4ftSelkirk 3" 4" Wall Thimble (Ultimate Pellet Pipe Type L PL) Used in a combustible through the wall installations. Maintains clearance to combustibles. Adjustable for 4 " to 8 " thick walls. Painted black. Pellet Vent UPP Type L PL The superior silicone gasket technology seals the system and provides a leak free connection. Easy to assemble for safe and secure connection. Easy to disassemble for inspection and cleaning. Laser welded inner and outer