Hartford Ventilation Pop Up Floor Vent Register - 4” x 10”(Duct Opening) - Air Vent Deflector for Home Heat/AC - Extender for Under Furniture, Couch, Cabinetry - Floor or Ceiling Use (1, White) - - Amazon.com
Plastic Pop Up Register | Air Deflector All in One Vent
Imperial Pop-Up Floor Register - White - Polystyrene - 3-in W x 10-in L RG3051 | RONA
Imperial RG3061 Pop-Up Floor Register, 4 x 10-Inch, Tan 1-Pack | eBay
Imperial RG3061 Pop-Up Floor Register, 4 x 10-Inch, Tan
Imperial RG3061 Pop-Up Floor Register, 4 x 10-Inch, Tan | eBay