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KROS 100 round regulating damper for precise airflow control in ventilation systems. Galvanized steel, rubber gasket, manual adjustment. Suitable for 100mm round ducts.

KROS 125 is a high-quality round regulating damper with rubber gasket for efficient airflow control. Constructed from corrosion-resistant galvanized steel, suitable for 125mm round ducts.

KRTS-4 160 galvanized steel HVAC damper – precise air volume control and airtight shut-off for round duct ventilation.

KRTS-4 200 round shut-off and regulating damper – airtight, durable, and efficient airflow control for commercial and residential HVAC systems.