24" x 6" Aluminum Spiral Duct Air Vent Grille Cover - Fully Adjustable Double Deflection HVAC Air Supply [Outer Dimensions: 26w X 8"h] Compatible With Duct 12in + Product Details Size – RFG3024 Black HP const content item Hi-Lo Oval Stack Head

+ Product Details Size – 20"w X 10"h is the size for the duct opening measurement only

this guard ensures long-lasting protection and security

Actual Filter Size – 19 3/4"w x 9 3/4" x 1"

actual front end outer dimensions are approximately 26 5/8" width X 32 5/8" height

+ Product Details Size - 26"w X 18"h is the size for the duct opening measurement only

24" x 6" Aluminum Spiral Duct Air Vent Grille Cover Fully Adjustable Double Deflection HVAC Air Supply [Outer Dimensions: 26w X 8"h] Compatible With Duct 12in + Product Details Size – RFG3024 Black HP const content item Hi Lo Oval Stack Head + Product Details Size – 20"w X 10"h is the size for the duct opening measurement only this guard ensures long lasting protection and security