24" x 16" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 23.75 X 15.75] 3-Pack Return Grille With a 5" diameter for

With a 5" diameter for the duct opening measurement

excluding the old vent cover

6"w X 6"h 3-Way Fixed Curved Blade Air Supply Diffuser - Vent Duct Cover - Grille Register - Sidewall or Cieling - High Airflow - White

actual front end outer dimensions are approximately 25

the second number represents the height

24" x 16" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 23.75 X 15.75] 3-Pack Return Grille With a 5" diameter for+ Product Details Size 24"w X 16"h pleated MERV 8 filter for HVAC return filter grille 3 Pack. Actual dimensions: 23. 75" X 15. 75" High Quality A uniquie combination of cotton & synthetic fibers gives you the most filtration and the least air resistance equals great air & easy airflow for your system Design The "W" shaped pleats give you more filter surface thereby capturing more dust. Our metal and paper diagonal support bars ensure the filter can