The 90-degree register boot can hold standard and decorative 4- by 10-inch registers. The intake fittings are shipped to accept 6-inch diameter flexible or rigid ducting. Or, if 7-inch diameter flexible or rigid ducting is used in the project, then trim off the 6-inch collar, thereby creating a 7-inch intake. According to the manufacturer, it is constructed of blow-molded plastic, which creates a sealed unit, increasing the efficiency of the entire HVAC system when installed correctly.

Fettkether LLC, P.O. Box 28, 128 W. 2nd St., Readlyn, IA 50668; 319-279-3367; 319-279-3368 (fax);

eProduct #187