range hood should has a suitable exhaust air rate

　　Generally speaking, all of the professional grease filter factory had regard the exhaust air rate for their range hood machine as one of important quality parameters, because the bigger exhaust air rate means there are more oily fume can be absorbed into fume mask, and drain to outside environment along with the exhaust ducts, and there should never has oily fume gas slop over the fume mask. But professional grease filter factory also indicate that the bigger exhaust air rate doesn’t means better, because the too big exhaust air rate would take away the heat energy at the same time, so it will influence the normal heat energy of stove fuel.

　　According to our national standard limits, professional wholesale grease filter supplier said the biggest exhaust air rate should never smaller than six square centimeters per minute, and the common exhaust air rate for these common range hood had achieve fourteen square centimeters for minute, so grease filter factory suggests users choose the suitable range hood rely on their actual economic condition.