22" x 26" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 21.75 X 25.75] 3-Pack Grey this thermostat guard is the

this thermostat guard is the perfect solution for residential

+ Product Details Size – 10" X 10" is the size for the drywall opening measurement only

75"H – fits a 10" x 8" duct opening

Rust-Free Aluminum - Made from strong

actual front end outer dimensions are approximately 26 5/8" width X 12 5/8" height

22" x 26" Pleated MERV 8 Filter for HVAC Return Filter Grille [Actual Dimensions: 21.75 X 25.75] 3-Pack Grey this thermostat guard is the22" x 26" Pleated MERV 8 Filter for HVAC Return Filter Grille 3 Pack Actual Dimensions: 21. 75" X 25. 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