✅ Client needs filtering logic - what's the best way to implement?

 public class VirtualStore
    {
        public string StoreName { get; set; }

        public List<VirtualProduct> Products { get; set; } = new();
    }

  public class VirtualProduct
    {
        public string Image { get; set; }
        public string StockNumber { get; set; }
        public string Description { get; set; }
        public string URL { get; set; }
        public string Category { get; set; }
        public string Price { get; set; }
        public string Currency { get; set; }
    }