Heat n Glo Fireplace Blower. Fits: Heat n Glo – GFK-160A Royal – GFK-160A Regency Wood Stove Insert. Blower Size: 13″ Length x 5″ Height x 4.5 Width. Flange Openings – 1″ x 4 7/8″. These are designed to be replacements for the listed blower model number. The blowers are aftermarket models-not original equipment. Be sure to compare the dimensions listed to your unit to be sure it will fit. The blowers are “contractor kits”. Intended to be installed by a qualified technician. Units do not come with installation instructions. Our blowers are current stock, not surplus or reconditioned.