We sell Diesel Heater Y's, T's and Elbows in 60mm and 90mm for your campervan heating system. 4kw Autoterm Heaters require 90mm ducting. 2kw Autoterm Heaters require 60mm ducting.Diesel Heater Ducting T's Y's and Elbows£9.00PriceSplitters*SelectDucting size*SelectQuantity*Add To CartBuy Now