RH90 — Aluminum Return Air Grille, 90-degree Fixed Blade

Extruded aluminum construction
Face bars permanently fixed into heavy aluminum frames at a 90-degree angle from face
Bright White or Satin Anodized finish
Available in ¼” increments, oversize options available
No longer available in 4” width (6x4 – 48x48 available)
Larger than 40x48 shipped in multiple pieces
Flat frame option standard, stocked where applicable
Damper depth is slightly greater (1/4"), where applicable
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	38	40	42	44	46	48
	4	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•
	5	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•
	6	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•
	8	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•
	10			•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•
	12				•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•
	14					•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•
	16						•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•
	18							•	•	•	•	•	•	•	•	•	•	•	•	•	•	•	•
	20								•	•	•	•	•	•	•	•	•	•	•	•	•	•	•
	22									•	•	•	•	•	•	•	•	•	•	•	•	•	•
	24										•	•	•	•	•	•	•	•	•	•	•	•	•
	26											•	•	•	•	•	•	•	•	•	•	•	•
	28												•	•	•	•	•	•	•	•	•	•	•
	30													•	•	•	•	•	•	•	•	•	•
	32														•	•	•	•	•	•	•	•	•
	34															•	•	•	•	•	•	•	•
	36																•	•	•	•	•	•	•
	38																	•	•	•	•	•	•
	40																		•	•	•	•	•
	42																			•	•	•	•
	44																				•	•	•
	46																					•	•
	48																						•

Other sizes available upon request.

Engineering Data — RH90

Submittal Data — RH90

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RH90 — Aluminum Return Air Grille, 90-degree Fixed Blade

Engineering Data

Submittals