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I'm reaching out to inquire about the different models of fans you currently have available. We're particularly interested in both the technical specifications and pricing details, as we want to ensure that they meet our specific needs. If you could provide catalogs or any relevant documentation, that would be much appreciated. Additionally, it would be helpful to know about any recent developments or features that set your fan models apart from others in the market. We're looking for options that balance performance and energy efficiency. Please share any recommendations or best-sellers that you have. Thanks!