20" X 20"Universal Aluminum Access Panel Door For Wall / Ceiling Application (Push-Lock) With Solid Frame - [Outer Dimensions: 21" Width X 21" Height] Floor Register / Modern Victorian Priming the Pump: If required

Priming the Pump: If required

+ Product Details Size - 22"w X 28"h is the size for the duct opening measurement only

+ Product Details Size - 28"w X 24"h X 2"d (for duct opening measurement only)

including the ability to mount without removing the thermostat when using the ring base

Upgrade today for better performance and cleaner air

20" X 20"Universal Aluminum Access Panel Door For Wall / Ceiling Application (Push-Lock) With Solid Frame - [Outer Dimensions: 21" Width X 21" Height] Floor Register / Modern Victorian Priming the Pump: If required+ Product Details Size 20" X 20" is the size for the drywall opening measurement only, actual front end outer dimensions are 21" width X 21" height High Quality High grade aluminum solid frame construction. Design Aluminum frame with no welded edges. Fully removable door with a spring loaded hinge. Open close easily with push lock technology, just push open and push close. Easy Access Provides easy access for HVAC, plumbing, electrical, crawlspace