JUE FISH Formaldehyde Removal Box 200g*1, Activator: 2ml*Formaldehyde Removal Box; Formaldehyde Remover; Indoor Air Purifier Rapidly Purifies Indoor Air, Effectively Absorbs Formaldehyde And Other Harmful Gases. Works Non-Stop To Remove Formaldehyde In The Air, Ensuring Home Safety. Innovative Color-Changing Design, Visually Indicates Formaldehyde Removal Progress.