FUTURELIGHT Barndoors for Pro Slim Par-18 are separately sold metal light-control accessories designed for the FUTURELIGHT Pro Slim Par-18 spotlight. The black barndoors have a 24.5 × 24.5 cm slot for the spotlight and a circular diameter of 20.5 cm. They are intended to shape the beam and control spill light. The accessory weighs 1.49 kg.