HM — Aluminum Register, Adj Horizontal Blades with MS damper

Extruded aluminum construction
Single row of individually adjustable horizontal face bars
Pivoted bars for easy positive setting
Lever-operated, multi-shutter valve
Bright White or Satin Anodized finish
Flat frame option standard, stocked as current
Damper depth is slightly greater (1/4”), where applicable
Also available in special order Z-Frame

Add a Z to the beginning of the model number

How to Specify

Use the engineering data files to determine the proper size to use for maximum performance. Refer to the submittal drawing for key product dimensions.

How to Purchase

FAQs for GRDs

Available sizes (inches)

	Height
Width		6	8	10	12	14	16	18	20	22	24	26	28	30	32	34	36
	4	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•
	5	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•
	6	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•
	8		•	•	•	•	•	•	•	•	•	•	•	•	•	•	•
	10			•	•	•	•	•	•	•	•	•	•	•	•	•	•
	12				•	•	•	•	•	•	•	•	•	•	•	•	•
	14					•	•	•	•	•	•	•	•	•	•	•	•
	16						•	•	•	•	•	•	•	•	•	•	•
	18							•	•	•	•	•	•	•	•	•	•
	20								•	•	•	•	•	•	•	•	•
	22									•	•	•	•	•	•	•	•
	24										•	•	•	•	•	•	•
	26											•	•	•	•	•	•
	28												•	•	•	•	•
	30													•	•	•	•
	32														•	•	•
	34															•	•
	36																•

Other sizes available upon request.

Engineering Data — H and V Series

Submittal Data — HM/VM

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HM — Aluminum Register, Adj Horizontal Blades with MS damper

Engineering Data

Submittals