Description
Category 3 horizontal 6-in vent kit for use with Mr. Heater Big Maxx unit heaters ranging from 250,000 to 400,000 BTU's
Stainless steel 6 in sealed ducting meets new category 3 certifications
Includes 6-in male connector, 45-degree elbow, 6-in to 19-in long adjustable 6-in diameter vent pipe, 12-in long 6-in diameter vent pipe, 24-in long 6-in diameter vent pipe, 6-in INS wall penetration, screened termination, screws, and silicone sealant.
Complies with US standard (UL1738) and Canadian standard (S636)
Compatible with Mr.Heater and Heatstar units 250,000 BTU to 400,000 BTU

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