$62.99 Dayton 5DVN6 1/60 HP 1050/1300/1550 RPM 115VAC 8-1/4 In Upblast Ventilator (D) | eBay
DAYTON Axial Upblast Belt Exhaust Ventilator - 4HZ90|4HZ90 - Grainger
5BDU13DB-A - Fantech 5BDU13DB-A - BDU Belt-Drive Upblast Ventilator, 1/2 HP, 115/230V 13 Roof Mount
