20 x 16 Merv 2 HVAC Pleated Filter, 12-Pack Round Stack Boot + Product Details Size –

+ Product Details Size – 14"w X 18"h is the size for the duct opening measurement only

+ Product Details Size - 28"w X 12"h X 2"d (for duct opening measurement only)

If your hole is 14" wide by 20" tall

Applications – 30 Gauge thick & made of thick & durable galvanized sheet metal - used for HVAC system duct work in any building or home including: round exhaust air duct systems for dryers

20 x 16 Merv 2 HVAC Pleated Filter, 12-Pack Round Stack Boot + Product Details Size –The W shaped pleats enlarge the surface area for capturing dirt and particles for cleaner air Get 3 MERV 2 AC filters per pack while only paying for 2 Dimensions are interchangeable for rectangular filters, but not square ones Let air circulate and cycle through your HVAC without obstructions