20" X 20" Aluminum Insulated Fire Resistant Access Panel Door For Wall / Ceiling Application (Lock and Key) With Frame - [Outer Dimensions: 21" Width X 21" Height] Floor Register / Modern Victorian Ideal for Walls & Ceilings: MFACRA88W1 Condensate Pump Product Details Size 20
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Description
20" X 20" Aluminum Insulated Fire Resistant Access Panel Door For Wall Ceiling Application (Lock and Key) With Frame [Outer Dimensions: 21" Width X 21" Height] Floor Register Modern Victorian Ideal for Walls & Ceilings: MFACRA88W1 Condensate Pump Product Details Size 20 Ideal for Walls & Ceilings: Designed for seamless installation in standard 12" X 10" duct openings + Product Details Perfect Fit & Easy Sizing Designed for a 18" x 14" OR 14" X 18" duct opening (measured at the opening)