▎ 摘　　要

NOVELTY - The utility model claims a multifunctional antibacterial graphene filter core, comprising successively laminating outer layer stiffener provided, a primary filter screen, graphene modified active carbon filter screen, nanoscale graphene HEPA filtering layer and the inner layer; the nano-scale graphene HEPA filtering layer is graphene fibre layer composite formed graphene HEPA filter of multi-layer thickness is 0.1~1.5 mm. graphite filter core of the utility model realizes triple filtering and integrated primary filtering net, graphene nano-scale graphene modified active carbon filter screen and HEPA filter screen with antibacterial, removing PM2.5, formaldehyde, TVOC and other organic gas function, to realize the complete purification of the air.