10" x 28" or 28" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 12.5" X 30.5"] 18" Round Duct Pipe These grilles and registers give

These grilles and registers give you an extra measure of quality that you can point out to your family members and house guests

75"H – fits a 16" X 12" duct opening

Smooth powder-coated white finish for a sleek look and scratch resistance

Design – Premium plated finish and modern contempo design forming a luxurious & impressive piece for your home

+ Product Details Size - 28"w X 36"h is the size for the duct opening measurement only

10" x 28" or 28" x 10" Cube Core Eggcrate Return Air Filter Grille for 1" Filter - Aluminum - White [Outer Dimensions: 12.5" X 30.5"] 18" Round Duct Pipe These grilles and registers give+ Product Details Perfect Fit & Easy Sizing Designed for a 10" x 28" or 28" x 10" duct opening (measured at the opening), with actual outer dimensions of 12. 5" W x 30. 5" H. Please check the measuring guide to ensure a proper fit. Filter Size 9. 75" x 27. 75" x 1" Premium Airflow Efficiency High performance cube core eggcrate design allows 95% airflow efficiency, reducing energy costs and maximizing HVAC system lifespan. Durable, Rust Free Aluminum