1.new design,based on air moving theory 2.Simple out looking,easy to be install. 3.Low noise. 4.Energy save. 5.light weight.

Circular inline duct fan housing  

                                               

SIZE	ACV/Hz	W	A	rpm	m³/h	Pa	dB	kg
GDF100	230/50	60	0.18	2550	170-40	72-251	48	3
GDF125		62	0.25	2550	200-75	72-227	48	3
GDF150		64	0.26	2550	350-120	73-252	49	4
GDF160		72	0.29	2500	390-100	68-261	49	4
GDF200		101	0.45	2550	600-100	142-451	52	4.5
GDF250		156	0.73	2450	700-200	135-376	52	5
GDF315		225	0.69	2450	1200-315	126-451	52	5.5
GDF100B	230/50	67	0.27	2650	210-75	87-252	50	3
GDF125B		70	0.17	2650	275-80	98-272	50	3
GDF150B		65	0.27	2670	370-100	93-302	51	4
GDF160B		112	0.92	2600	590-110	102-308	51	4
GDF200B		161	0.66	2620	800-150	120-476	53	4.5
GDF250B		175	0.66	2550	800-200	142-426	53	5
GDF315B		303	0.99	2550	1500-300	117-546	53	5.5

   

Circular inline duct fan housing