Model description:

Product description:

DTFFans ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r ye kɛ̈ɛ̈r yeDTF（H(Metro)UPE/OTEfan),DTF（S(type fire exhaust smoke fan),DTF（V(Type ventilation exhaustor) käDTF（H(Type from)10～24#Yïn10Numer masin,DTF（S(Type from)8～24#Yïn12Numer masin,DTF（V(From)5～28#Yïn18Numer de masin.