Snap-lock type galvanized flue pipe (also known as "smoke pipe") for venting gas and oil-fired boilers, furnaces, water heaters and other Category I atmospheric/chimney vented heating appliances into a masonry chimney. This pipe is also suitable for connecting to B-Vent/L-Vent (inside the house) or double/triple wall stainless steel (for external chimneys).
NOTE: galvanized flue pipe is for use inside the boiler/furnace room or basement only and is not suitable for outside use, attics or floor/ceiling penetrations.