Application and Characteristics
It can be used for both air supply and air return. Each blade slot is equipped with two adjustable blades to control the airflow direction, volume and angle, which can be conveniently adjusted from the outside.
This diffuser is generally installed on ceilings, and can also be mounted on side walls or other positions. It can be manufactured into an angled type according to different structural requirements.
Note: Custom size within 5.8 meters is available as a whole; sizes over 5.8 meters adopt a splicing structure.
Accessories: Plenum box, filter screen. 

SH-24 Crab-Claw Linear Diffuser Size Comparison Table

Model	Number of Claws	Face Width Dimension		Neck Width Dimension
		Inch	Millimeter	Inch	Millimeter
SH-34	1	3	76.2	11/2	38.1
SH-34	2	41/2	114.3	3	76.2
SH-34	3	6	152.4	41/2	114.3
SH-34	4	71/2	190.5	6	152.5
SH-34	5	9	228.6	71/2	190.5
SH-34	6	101/2	266.7	9	228.6
SH-34	7	12	304.8	101/2	266.7
SH-34	8	131/2	342.9	12	304.8

FK-24 Crab-Claw Linear Diffuser Performance Table

Slot (Group)	Static Pressure(mmH2O)	0.46	1.02	1.78	2.79	4.06	5.46	7.11	11.43
1	Air Volume (m³/h) per meter	111	167	223	278	334	390	446	557
	NC		11	19	25	30	34	38	44
2	Air Volume (m³/h) per meter	223	334	446	557	669	780	892	1115
	NC		14	22	28	33	37	41	47
3	Air Volume (m³/h) per meter	334	502	669	836	1003	1171	1338	1672
	NC		16	24	30	35	39	43	49
4	Air Volume (m³/h) per meter	446	669	892	1115	1338	1561	1784	2230
	NC		17	25	31	36	40	44	50
5	Air Volume (m³/h) per meter	557	863	1115	1393	1672	1951	2250	2787
	NC		18	26	32	37	41	45	51
6	Air Volume (m³/h) per meter	669	1003	1338	1672	2007	2341	2676	3345
	NC		19	27	33	38	42	46	52
7	Air Volume (m³/h) per meter	780	1171	1561	1951	2341	2732	3122	3902
	NC		20	28	34	39	43	47	53
8	Air Volume (m³/h) per meter	892	1338	1784	2250	2676	3211	3568	4460
	NC		20	28	34	39	46	47	53
NC-decibel: When the sound power is at 10−12, the attenuation of the room is 8 decibels.