Efficient air supply housing, made of high quality cold-rolled steel plate, surface electrostatic spray or spray paint. High efficiency air outlet can be used as terminal HEPA filter device, installed directly in the ceiling of clean room. Adjustable valve and insulation layer can be installed according to user's requirement. Products can be divided into spray type efficient air supply, spray paint type efficient air supply, heat preservation type efficient air supply and high efficiency air outlet with electric valve. Available in a wide variety of sizes.

Model Top air	Rated air flow (m/h)	HEPA filter size (width * height * depth)	Outline size (width * height * depth)	Inlet pipe dimension (mm)
GKF-5D（C）	500	320*320*320	370*370*525	200*220
GKF-10D（C）	1000	484*484*220	534*534*525	320*200
GKF-12D（C）	1200	820*600*150	870*650*460	320*250
GKF-15D（C）	1500	630*630*220	680*680*525	320*250
GKF-20D（C）	2000	968*484*220	1018*534*525	500*200
GKF-25D（C）	2200	945*630*220	995*680*525（500）	500*250
GKF-30D（C）	3000	1260*630*220	1310*680*500（500）	600*250