LIK is an unprecedented handheld air purifier that could protect users everywhere. It solves the problems of heavyweight, uncomfortableness, and inconvenience on existing portable air purifiers. The lightweight LIK air purifier has a patent mechanical structure that allows users to choose the appropriate breathing mode according to different situations. The unique design of the structure also minimizes the waste of replacement. The design of LIK is inspired by glaciers to awaken people's environmental awareness, and it is symbolic of bringing users to the glacier valley where the air is clean.