POSITIONABLE BACK DRAFT ASSEMBLY

摘要

A filter housing, a duct arm and a hood which is positioned near the fume source as the duct arm extends between the hood and the filter housing for conveying the fumes from the hood to the filter housing. The filter housing includes a motor for generating suction at the hood inlet and for propelling the fumes out of the filter housing through a housing outlet. The motor has a power ranging from 7.5 to 10.0 horsepower for moving air through the assembly at speeds exceeding 6000 feet per minute (fpm) and at flow rates exceeding 2100 cubic feet per minute (cfm). The hood has a depth of 12 inches and the hood inlet has a width of 36.44 inches and a height of 12.51 inches.