30" x 8" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 29.75 X 7.75] 3-Pack Adjustable Return a monthly check is recommended

a monthly check is recommended

+ Product Details Size – 22" x 30" or 30" x 22" is the size for the duct opening measurement only

Simplified Installation: Our Butterfly Damper ensures easy setup

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Solid Base Construction – Features a solid base for stable installation and reliable protection

30" x 8" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 29.75 X 7.75] 3-Pack Adjustable Return a monthly check is recommended30" x 8" Pleated MERV 8 Filter for HVAC Return Filter Grille 3 Pack Actual Dimensions: 29. 75" X 7. 75" 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 The "W" Shaped Pleats Give You More Filter Surface Thereby Capturing More Dust All Our Filter Are Tested Per ASHRAE 52. 2 Standards MERV 8 And An Average Arrestance Of 90 94% Extra Strong Frame