This blower is designed to fit a range of stove and fireplace models, but it is important to measure the space for installation and compare with the dimensions of the blower before purchasing. The blower measures 7.5 inches in length, 3.73 inches in width, and 3.23 inches in height. It has a ball bearing motor, is rated to 392F, and has a motor RPM of 3000. The blower has an airflow of 80 CFM and is rated for 120V and 60Hz. It consumes 35 watts of power and is made of aluminum and galvanized steel. The motor has UL approval. The blower is a replacement for several different brand and model numbers, including GFK21, FK21, GFK21B, R7-RB66, HB-RB21K, HB-RB130, and others. The blower is also compatible with several models of Majestic and Heatilator stoves and fireplaces. Cross Reference Numbers: Blower unit only, GFK21, FK21, GFK21B, R7-RB66, HB-RB21K, HB-RB130, R7-RB21, BLOTBLDV, BLOTSDV, Novus 30, Security UZY3; This Will Also Fit Models GNDC30, ND3630, Novus 30 Series Fireplace. For Majestic: DVR36RN Insta-Flame, DVR36RP Insta-Flame, DVRS3, DVRSL, DVRSR, DVRT36, DVRT36EN, DVRT36EP, DVRT36RFN, DVRT36RFP, DVRT36RMH, DVRT36RN, DVRT36RP, DVRT39, DVRT39EN, DVRT39EP, DVRT39RN, DVRT39RP, DVRT41, DVRT43, DVRT43EN, DVRT43EP, DVRT43RN, DVRT43RP, DVRTSB, DVT36, DVT39, DVT43, UVDC36, UVDC42, UVS33RN, UVS33RP, UVS36, UVS36RN, UVS36RP, UVS43, UVSRC36A, UVSRC42A, WM36, WM36A, WM42-SX, WMII-42, WMII-42A, WMII42HT, WMR36; For Heatilator: A42C, A42CH, ADI60S, ADI-ZC-FB, ADI-ZCFB-S, BCDV36, BE-36-C, BE-36-CIPI, BV4236DBI, BV4842DBI, CB4236IR, CB4236MIR, CB4842IR, CB4842MIR, CD4236ILR, CD4236ILR-C, CD4236IR, CD4236IR-C, CD4236LR, CD4236MILR, CD4842MILR, CD4236MIR, CD4842MIR, CD4236MLR, CD4842MLR, CD4236MR, CD4842MR, CD4236R, CD4842ILR, CD4842ILR-C, CD4842IR, GGBC36LE, GGBC42,GGBC42E, GGBC42L, GGBC42LE, GGBC42R, GNBC30, GNBC30LE, GNBC33, GNBC33LE, GNBC36, GNBC33LE, GNDC30, GNDC33, GNDC36; Replacement GFK-21 blower Fan unit. The blower and motor are a single assembly. Power cord is not included. If you're installing the blower for the first time, a GFK-21 blower kit must be used. Replacement for Heatilator: A36C, A36CH, GNDH30, GNDH33, GNDH36, GNDH36E, GNDH36LE, GNRC33, GNRC36, GNTC50, GNTC80, GNTC80LE, HB36, HB42, MAX60, MAX60-FFMAX1, MAX60-FFMAX2, MAX60L-FFMAX2G, MAXUS MAX60E, MAXUS MAX60EF, MAXUS MAX60F, MAXUS MAX60L, MAXUS MAX60LE, MAXUS MAX60LEF, MAXUS MAX60LF, MH36A,MH39A,MH42A, NA36, NA42, NB3630M, NB3630MI, NB3933, NB3933I, NB3933M, NB3933MI, NB4236, NB4236I, NB4236M, NB4236MI, NB4842, NB4842I, NB4842M, NB4842MI, NBV3630I, NBV3933, NBV3933I, NBV4236, NBV4236I, NBV4842, NBV4842I, ND3630, ND3630I, ND3630L, ND3630IL, ND3933, ND3933I, ND3933L, ND3933IL, ND4236, ND4236I,, ND4236L, ND4236IL, ND4842. ND4842I, ND4842L, ND4842IL, NDV3630, NDV3630I, NDV3630L, NDV3630IL, NDV3933, NDV3933I, NDV3933L, NDV3933IL, NDV4236, NDV4236I, NDV4236L, NDV4236IL, NDV4842, NDV4842I, NDV4842L, NDV4842IL, NEVO3630I, NEVO4236I, NNXT3933I, NNXT3933IL, NNXT4236I, NNXT4236IL, NOVUS, NOVi30, NOVi30L, NOVi35, NOVi35L, OLYMPUS, SC60, SL-350TRS-IPI, SL-550BE, SL-550TRS-E, SL-550TRS-IPI-E, SL-750TRS-E, SL-750TRS-IPI-E, TITAN; For Majestic: 300DVB, 300DVBH, 300DVBL, 300DVBLNSC7, 300DVBLPSC7, 32VFSC, 32VFSNVC, 32VFSPVC, 33BDVR, 33BDVREN, 33BDVREP, 33BDVRRN, 33BDVRRP, 33BDVT, 33BDVTEN, 33BDVTEP, 33BDVTRN, 33BDVTRP, 33ISDG, 33LDV, 33LDVR, 33LDVREN, 33LDVREP, 33LDVRRN, 33LDVRRP, 33LDVT, 33LDVTEP, 33LDVTIN, 33LDVTIP, 33LDVTRN, 33LDVTRP, 33XDV, 33XDVR, 33XDVREN, 33XDVREP, 33XDVRRN, 33XDVRRP, 360DVS2, 360DVS2RN, 360DVS2RP, 360DVS3, 360DVS3RN, 360DVS3RP, 360DVSL, 360DVSLRN, 360DVSLRP, 360DVSR, 360DVSRRN, 360DVSRRP, 36BDVR, 36BDVREN, 36BDVREP, 36BDVRRN, 36BDVRRP, 36BDVT, 36BDVTEN, 36BDVTEP, 36BDVTRN, 36BDVTRP, 36CDVXRRN, 36CDVXTRN, 36CDVZRRN, 36CDVZTRN, 36LDV, 36LDVR, 36LDVREN, 36LDVREP, 36LDVRRN, 36LDVRRP, 36LDVT, 36LDVTEN, 36LDVTEP, 36LDVTIN, 36LDVTIP, 36LDVTRN, 36LDVTRP, 36XDV, 36XDVEP. Batteries Required? No Mounting Type Wall Mount Color Steel Included Components Cord Product Dimensions 7.5 x 3.3 x 3.8 inches Material GFK21-K2 Item Weight 2 Pounds Voltage 120 Volts Electric fan design Blower Special Feature blower fan, keep warm