Clean Tech's tray CARBON filter has excellent removing performance of various harmful and toxic gases like benzene, formaldehyde, ammoniac and, sulfur dioxide included in the air.

Granular activated carbon made of coconut shell and special micro fiber is applied on the tray.

Activated carbon itself can be replaced when replacement is needed. It has fine adsorption ability, uniform thickness, nice ventilation, no peculiar smell and high carbon content.