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I'm looking to procure a 50 KVA generator and would appreciate some details regarding the smallest model available. I'm specifically interested in options that come in either beige or gray color. It would be great if you could provide me with the specifications, pricing, and any available features for these models. Additionally, if there are any variations or recommended models that fit within this specification, please include those as well. I'm keen on exploring all possibilities to make an informed decision. Your prompt response will aid in expediting our purchasing process. Thank you for your assistance!