More About Stamped Steel Lanced-Blade Registers (680M Series)
The 680M Series Stamped Steel Lanced-Blade Registers by Hart & Cooley have a stamped, one piece face with a multi-louvered damper for sidewall or ceiling application and are are made with all-steel construction and a metal handle. They have fins spaced on 1/2” centers at 40 degrees, are available in 1-way, 2-way, 3-way and 4-way airflow patterns, and come in a bright, white finish.