Bright White Replacement Faceplate Faceplate is for speakers with 4 buttons and a volume knob (If your speaker has 3 buttons and a volume knob please see our listing for White Replacement Faceplate for ISA-335) Fits Models ISA-445, IS-445, ISA-449, IS-449, IS-405, IS-409 Includes Matching Buttons and Volume Knob Faceplate Dimensions: 8-1/4" x 6-5/16" Replacement faceplate for Nutone intercom speakers Brand New Bright White in color For both indoor and outdoor use Fits Models: IS-405, IS-409, IS-445, ISA-445, IS-449, andd ISA-449 works with the IM-4006, IM-4406, and IMA-4406 masters stations. These are faceplates only and do NOT come with electronics. They are very easy to swap out, should take less than 10 minutes per speaker. Only tool needed is a screwdriver. Faceplate is for speakers with 4 buttons and a volume knob (If your speaker has 3 buttons and a volume knob please see our listing for White Replacement Faceplate for ISA-335) Faceplates includes new matching buttons and volume knob. Faceplate dimensions are: Height 8-1/4" Width 6-5/16" , a 5" speaker cone fits inside.