4 Inch Inline Ventilation Duct Fan with Backdraft Damper 2550 RPM 32dB 110V

Description

FRESH AIR with calimaero 6 inch extractor fan. High airflow when needed. A built-in backdraft damper prevents the exhaust air from flowing back and prevents outside air from entering. This can significantly reduce heating costs in winter. The PVC is weather and UV resistant - no yellowing.
FUNCTION The inline duct fan can be installed quickly and easily in all common round ventilation pipes and flexible pipes according to DIN EN 1506. The INLINE duct fan is suitable as an intake or outake fan. An axial duct fan transports a high volume of air over small distances. Long distances and curves reduce the air flow.
VERSATILE USE Suitable for different purposes, as heat extractor fan booster, bathroom extractor fan, intake fan for grow tent, kitchen exhaust fan, booster fan for long ventilation pipelines or whereever you need a small and quiet fan.
PERFECT CHOICE for hobbyists and professionals. Easy installation and maintenance. The inline fan has a 2-core cable 2 x 0.75 mm² for connection to a power line or control elements such as time switches, speed controllers, transformers, sensors.