9.1 · OBD

Opposed Blade Damper

An aluminium opposed blade damper that mounts directly on the neck of air grilles to set airflow from fully open to fully closed.

Features

Neck size (mm)	Face size L1 × W1 (mm)	Quantity per carton (pcs)	Carton dimensions (cm)	Carton volume (m³)
300 × 150	300 × 150	10	53.5 × 31.3 × 16.3	0.0273
350 × 150	350 × 150	10	53.5 × 36.3 × 16.3	0.0317
400 × 150	400 × 150	10	53.5 × 41.3 × 16.3	0.0360
450 × 150	450 × 150	10	53.5 × 46.3 × 16.3	0.0404
500 × 150	500 × 150	10	53.5 × 51.3 × 16.3	0.0447
600 × 150	600 × 150	10	61.3 × 53.5 × 16.3	0.0535
150 × 150	150 × 150	20	53.5 × 32.0 × 16.3	0.0279
200 × 200	200 × 200	20	53.5 × 42.0 × 21.3	0.0479
250 × 250	250 × 250	10	53.5 × 26.3 × 26.3	0.0370
300 × 300	300 × 300	10	53.5 × 31.3 × 31.3	0.0524