STV-51 Series Square Top Static Vents, 6-Pack Dome_Steel This pulley is compatible with

This pulley is compatible with fan models beginning in CX36BD and BF60BD

Tilting fan head and swivel adjustment arm

and insects during cooler months while your Maxx Air fan is in storage

This motor is compatible with VXNRG series

STV-51 Series Square Top Static Vents, 6-Pack Dome_Steel This pulley is compatible withEfficient attic ventilation delivers 51 sq. in. of Net Free Area (NFA) per vent to exhaust trapped heat and moisture, lowering home energy costs Weather & pest protection with an integrated, rodent proof metal mesh screen and a weather defying design to keep out insects, birds, and rain Heavy duty steel build constructed from rugged, factory assembled galvanized steel for long lasting roof durability and a clean, low profile look Factory assembled for