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Model GR-VB return air grille is an under-floor air diffuser that takes in the air from the room and returns it to the air conditioner or ventilation system.Unique to this series of grille it the curved blade. Both the blade shaped and the distance between adjacent are accurately calculated to achieve maximum air flow performance and also a good look. RG-VB is also suitable for small size applications where the required length is no more than 600mm.
