20X8 ND-RSD NO | Rectangular Damper | 20X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls Description_4 Aluminum Nipples ^^Accessory: Retainer Clip

^^Accessory: Retainer Clip

1-1/2 X 9 BLACK STEEL NIPPLE

2 BLACK MERCHANT COUPLING

3 X 1 1/2 ALUM FXM CPLR-TYPE DA

2 IPS BR SWG CHECK VLV

20X8 ND-RSD NO | Rectangular Damper | 20X8 ND MOTORIZED DAMPER SPRING RETURN - NORMALLY OPEN | EWC Controls Description_4 Aluminum Nipples ^^Accessory: Retainer ClipACTUATORS ARE INSTALLED ON THE 2ND DIMENSION, PHOTO IS GENERIC AND MAY NOT REPRESENT THE PART BEING ORDERED Rectangular Damper 20X8 ND MOTORIZED DAMPER SPRING RETURN NORMALLY OPEN Resources Datasheet ^^This damper is 20" by 8". The motor lever is installed on the 8" side. Full dimensional specifications are in the datasheet below.