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Fantech Iris Manual Adjustable Backdraft Damper From 4" - 16" Duct

Fantech Iris Manual Adjustable Backdraft Damper From 4" - 16" Duct

Fantech Iris Manual Adjustable Backdraft Damper From 4" - 16" Duct

Iris dampers for quiet, precise balancing of ventilation systems. Dampers include calibrated airflow measuring device.

Fantech IR dimension

Model	A*	B	C
IR 4	4"	6 -1/2"	4 -1/4"
IR 5	5"	8 -1/4"	4 -3/4"
IR 6	6"	9"	4 -1/2"
IR 8	8"	11 -1/4"	4 -3/4"
IR 10	10"	13"	4 -3/4"
IR 12	12"	16"	4 -3/4"
IR 16	16"	22"	5 -1/2"

* Duct connections are 1/8" smaller than duct size.em>

Fantech Accessories Book - PDF

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