Theairmultipliersilentlydrawsinairbehinditthenamplifiesitthroughtheringby15xtoproduceacoolandcontinuousflowof405litresofaireverysecond.Thisisallpoweredbyabrushlessmotorandtheairspeedcanbepreciselyadjustedwithdimmer-switchcontrolsratherthantheusualtwoorthreesettingsonregularfans. 無葉風扇直流無刷電機專業(yè)生產(chǎn)深圳市三畝田電機有限公司www.sangmutan.com sales@sangmutan.com info@sangmutan.com