"FLUIDMASTER" SNAP IN ACCESS PANEL *Service access for plumbing, electrical, security systems, telephone, TV, computers, etc. *Springloaded pop-in/pop-out *Installs in walls and ceiling up to 3/4" thick *Can be painted or wallpapered *Plastic *Shrinkwrapped *Nominal Opening: 14" x 14" *Overall: 15-1/4" x 15-1/4"