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Our Gravity grille's are perfect for finishing off any ventilation project.
Gravity Grilles will stop the wind from blowing back down the ducting.
Easy to clean
Exterior Plastic Wall Gravity Grille
Gravity flaps open (moving air) and close (with gravity)
Colour: Cotswold Stone
For 5" and 6" as they have 4 blades
4" 5" or 6" is related to the size of ducting you have
(e.g if you have 4" ducting please go for the 4" grille)
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