Selkirk 3" Harman Pipe Inside Adapter (Pellet Vent - UPP - Type L / PL) d20.25 Up to 94% efficiency heater

Up to 94% efficiency heater

Shrinks to fit liner when pulled length-wise

Fully assembled and ready to use

Wide legs for stability

Selkirk 3" Harman Pipe Inside Adapter (Pellet Vent - UPP - Type L / PL) d20.25 Up to 94% efficiency heaterSelkirk 3" Harman Pipe Inside Adapter (Ultimate Pellet Pipe Type L PL) Attaches a Harman appliance to UPP. 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 pipes ensure a consistently round pipe with a clean profile. 3" to 4" Diameters: Easy to assemble