Like bathroom fans, the airflow from kitchen exhaust fans is generally rated at a static pressure of 0.1 in.
400 Cfm Kitchen Exhaust Fan. Dkb range hood 30 inch wall mount stainless steel kitchen exhaust vent, with 400 cfm, 3 speed fan & touch sensitive control panel led lights. For good performance, the total equivalent duct length.
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Hon&guan 6'' exhaust fan home ventilator for bathroom kitchen wall mount 118cfm. Conveying liquid temperatures up to 100°c possible. Related searches for 400 cfm exhaust fan:
Metal duct venting a 200 cfm fan.
And this fan in question had a makeup air vent nearby, which obviously wasn't working. Vent hoods over 400 cfm require that makeup air be brought in from the outside when the unit is on. Say a kitchen is 10' x 10' x 8', so at 100 cfm, it would take 8 minutes to completely exhaust the air out of it. Related searches for 400 cfm exhaust fan:
