TFD250/5 Thermal Flex Ducting £96.77 You are hereHome Products Xflex TFD TFD250/5 Thermal Flex Ducting TFD250/5 Thermal Flex Ducting £96.77 TFD250/5 Thermal Flex Ducting £96.77 . . × Overview Description Technical Specifications Description Thermal double skinned insulated flexible aluminium duct with high density fibreglass insulation to minimise condensation formation. Twenty five minute fire integrity from within as measured to BS476 Part 24 Technical Specifications Product Identification Product Model NumberTFD250-5 EAN5013562898515 Key Features Humidistat TypeNo TimerNo