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HDX 19 in. x 21.5 in. x 1 in. Standard Pleated Air Filter FPR 5, MERV 8 (3-Pack) HDX3P5-0006 - The Home Depot
![roadtozero on X: "RED means stop. RED AND AMBER together mean stop – but get ready to go. AMBER on its own also means stop unless you've already crossed the stop line. roadtozero on X: "RED means stop. RED AND AMBER together mean stop – but get ready to go. AMBER on its own also means stop unless you've already crossed the stop line.](https://pbs.twimg.com/media/FIaouXQX0Akv8wn.jpg)
roadtozero on X: "RED means stop. RED AND AMBER together mean stop – but get ready to go. AMBER on its own also means stop unless you've already crossed the stop line.
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