Spruce RL450 is a versatile 460 CFM inline metal fan rated for residential and commercial use. The spun steel housing, with its durable, heat and corrosion-resistant baked powder coat finish inside and out, is designed for strength and dependability. The remotely mounted RL450 is ideal for kitchen use and it is also suitable for bathroom, living area and garage ventilation and duct boosting. The RL450 operates in virtual silence and is energy efficient.