... certificated low thermal conductivity smoke density meet ZA3 Kingflex Aircon outperforms in fire resistance, water vapor permeability and ... dust free and resistant to mold and mildew.Kingflex Aircon outperforms in fire resistance, water vapor permeability and thermal ... under hood, including air conditioning, heatingSlip the tubular Kingflex Aircon onto unconnected piping or, for connected piping, slit ...