Panasonic's vision of the digital future is driven by the needs and aspirations of its business customers and millions of consumers around the world who use Panasonic products every day. The company shares their dream to live a fuller life by providing ways of working smarter and enjoying the rewards of technological advances. Panasonic offers a drum unit for KX-P4410, KX-P4430, KX-P4440 and 5410 printers. This drum unit includes an ozone filter.