1.High-pressure,quiet fan,strong suction 2.Integrated design,easy installation 3.Induction motor 4. ... suctionIntegrated design,compact structure,easy installationInduction motor,long lifeReverse the automatic removal of dust features ModelHAL-300GHAL-400HAL-700GHAL-800GHAL-800G2HAL ... -900GFeeding ability(kg/t) 300400 300400 500 300+300Materials sucking lift (m) 44 4 56 5/8 Static wind pressure ...