18" x 22" Pleated MERV 8 Filter for HVAC Return Filter Grille Insulated Line GPH for highest: - 1

GPH for highest: - 1

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Working Accordion

Crafted from robust 20-gauge steel

actual front end outer dimensions are approximately 22 5/8" width X 32 5/8" height

18" x 22" Pleated MERV 8 Filter for HVAC Return Filter Grille Insulated Line GPH for highest: - 118" x 22" Pleated MERV 8 Filter for HVAC Return Filter Grille Actual Dimensions: 17. 75" X 21. 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 Our