A new air purifier from Shark, called NeverChange, has been released, with some reports suggesting it can go without filter changes for an extended period, possibly up to five or six years. The product has been reviewed by several outlets, including TechGearLab and RTINGS.com, and is being considered as an option for improving indoor air quality. Some sources are evaluating its effectiveness and value, with one mentioning a current price point of $100.