MR. HEATER Vertical Garage Heater Vent Kit (10-Piece) Pack options:Pack of 1 Maximum depth should not exceed

Maximum depth should not exceed 3/8" application

Suitable for cutting stainless steel

This tough

patios and decks

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MR. HEATER Vertical Garage Heater Vent Kit (10-Piece) Pack options:Pack of 1 Maximum depth should not exceedThis 4 In. vertical ventilation kit can be used with the Heatstar or Big Maxx Indirect Fired Unit Heater for vertical venting. Designed to fit the MHU75, HSU75, MHU80 and HSU80 model unit heaters. Designed for vertical installation only. Allows Category 1 unit utility heaters to comply to both the Canadian Standard S605 and the US standard UL441. Includes (1) 3 In. to 4 In. adapter, (1) 4 In. x 36 In. B vent pipe, (1) 4 In. 90 Deg (degree) elbow, roof