Does not meet California requirements; cannot be shipped to California. This is a Brand New Replacement UV Germicidal Purifier bulb made by New Comfort for the 3500 and 3000 models. It works perfect and is easy to replace. Will fit the CH3500, CA3500, BA3500, XL3500, CH3000 and BL3000 models . Safely takes airborne bacteria, virus, odors and germ microbes and destroys them. Tests had proven that all viruses are susceptible to germicidal UV for complete eradication. You can even spread flu germs when you speak. Help keep the flu and other sick causing virus's at bay with help from this next generation Air Purifier. Dont forget to get extra supplies for your Air Purifier in our store and they will all ship together. SAME DAY SHIPPING- All orders received by 2 PM MST are shipped out the Same Day. All other orders are shipped out within 24 hours (excluding Holidays & Weekends). All items are in stock and ready to ship and WE SHIP FAST. TRACKING NUMBERS As soon as your order is shipped we send you a Invoice in a email with your tracking number. We Ship Fast and make sure you know when your order will arrive.