Selkirk 3" to 4" Increaser (Pellet Vent - UPP - Type L / PL) d20.9 Requires SL1100 series pipe

Requires SL1100 series pipe

Product specifications and pricing are subject to change without notice

One part covers 2 diameters

DuraFlex SS relining systems ensure safe and efficient venting of heating appliances while protecting the masonry chimney from the damaging effects of flue product condensation

Selkirk 3" to 4" Increaser (Pellet Vent - UPP - Type L / PL) d20.9 Requires SL1100 series pipeSelkirk 3" to 4" Increaser (Ultimate Pellet Pipe Type L PL) Transition from a 3" to a 4" UPP. Painted black or unpainted. 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