Product Type Venting For Gas Heaters Compatible with Product Type Wall Furnaces Compatible Mfr Model Number KQ2H03-32 KQ2H03-33S KQ2H03-34S KQ2H03-35S KQ2H04-06 to KQ2H05-00 KQ2H05-02S to KQ2H06-01S Opening Height 2 in Opening Width 3 1/4 in Opening Depth 2 in Mounting Type Surface Vent Direction Horizontal Vent Length 10 in Vent Type Side Outlet Kit Material Steel Pattern Angle 45 Degrees Standards ANSI Z21.86