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| Shaft Size | : | 1/4 in |
These heavy gauge plated steel regulators are among the most popular on the market. They minimize air leakage and reduce rattle. A wing nut locks the damper in position, yet permits quick readjustment. The dial shows the damper position at a glance. The regulator mounts easily on round or square ducts.
Duro Dyne®, 8056, Dial Regulator, 1/4 in Shaft