Products / Lomanco 500 & 600 Series Pan Style Roof Vent

Lomanco's 500 and 600 Series are pan-style static roof exhaust vents with an 8 x 8 screen and a flange on the vent stack. The 550 PRO has a one-piece molded plastic collar with an aluminum top and bottom (galvanized on the 550PRO-G) and a 9 in. opening with 50 sq in of net free area; the 600 has a 9.5 in. opening with 60 sq in, the 600-D is a twin 600 with 120 sq in, and the 550-S and 600-S have a tall throat for shake roofs. Colors are listed as MF, WH, BR, BL and WB, and Lomanco lists a lifetime limited warranty for the 550 Pro Series.