Good question! A valance panel is sometimes cosmetic, whereas a diffuser is always performance oriented. I guess you could say a diffuser is a type of valance panel, but not every valance panel is a diffuser. That’s my understanding. But I’m no expert.
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Good question! A valance panel is sometimes cosmetic, whereas a diffuser is always performance oriented. I guess you could say a diffuser is a type of valance panel, but not every valance panel is a diffuser. That’s my understanding. But I’m no expert.