4 Panel 2 Lite Primed White Woodgrain effect Glazed Internal Bi-fold Door (H)1950mm (W)674mm. This internal bi-fold door allows light to penetrate through from one space to another. It folds as it opens to half the width of a normal sized door which is ideal for areas with limited space like spare bedrooms pantries & walk in wardrobes. This door can be hung left or right handed so you choose which way it opens.