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    Groom GR 300 heavy duty door closers now available at Door Closer Specialist

    Door Closer Specialist

    Now available from Door Closer Specialist , Groom GR 300 heavy duty power adjustable door closers have been specifically designed to cope with many different door types.

    GR 300 heavy duty door closers provide quality hydraulic door control when it is required. Ideal for external doors where power is important, these door closers are particularly suited to doors that are exposed to windy conditions or on doors with air pressure variables such as front entry doors.

    Features of GR 300 heavy duty door closers include:

    • Adjustable backcheck
    • Delayed action
    • Easy installation features
    • Power adjustable Size 3-6
    • Quality architectural finish
    • Regular and parallel fixings
    • Slim line architectural appearance
    • Two valve closing speeds

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