Empire Bi-Fold glass fireplace doors are designed to be installed on 42 keystone deluxe fireplaces and have a bi-fold design that is easy to operate. The doors have black trim to match the exterior of your fireplace and steel handles that create an elegant accent. Installing doors that are designed to work with your particular model ensures that they will fit properly and will not hinder the operation of your fireplace. Includes Bi-Fold Glass Door Features Model # BVX3BL. Finish Black. Bi-fold glass doors. These fireplace doors are made by the manufacturer of the fireplace for specific units They are not compatible with other units This door is compatible with the following fireplace models BVP42FP30FN, BVP42FP30LN, BVP42FP50FN and BVP42FP50LN Fireplaces by Empire Comfort Systems. Note Not for use with Decorative Metal Doors.