150 mm dia. 90 ? Elbow (Bend)

Where would you use a 90 Degree non-insulated bend?
Used when you are installing a flue from the rear spigot of a freestanding fireplace and you would like to direct the flue upwards towards the ceiling.
Used on flue sections below ceiling height.
Used to direct the flue through a wall to outside, so that the flue runs up towards the roof.
Suitable to use alongside our non-insulated flue ducts, and for use with most fireplaces and boiler stoves.