HVI-certified termination system that maximizes airflow and lowers installation costs. Its "pre-soffit" design allows professionals to complete all ducting before the soffit is installed, improving fan performance.
Total Size: 9-3/8" L x 8" W x 6" H
Grille Size: 7.56" square
Duct Diameter: 4" round (specifically for 4" ducting)
Duct Connection Stub: 2-1/4" L (provides ample surface for sealing and taping) [1, 2, 3]