Alpine Ventilation has a range of snap-in round down jet diffusers in 2 sizes. Down jet diffusers are installed in the ceiling and are great for heating applications. They can also be used for cooling and air extraction.
They are constructed from UV stabilised ABS that will not go brittle or yellow with age. The 2 neck sizes are 150mm (generally heating only) and 200mm (often for heating and cooling). Note that corresponding face and cut-out sizes are larger. Clips snap onto the plaster for easy and fast installation. Ducting is attached to the neck at the top with worm clamps and/or duct tape.
The flow can be regulated by pushing and twisting the centre disk to open and close the 2 semi circular damper blades.
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