จำหน่าย Diffusers Terminal devices designed to cover different specialized functions in air distribution and indoor climate processing. Misc. Diffusers Basic Diffusers Nozzle Diffusers Residential Diffusers Linear Diffusers Swirl Diffusers Displacement Diffusers High Induction Diffusers Transfer Diffuser Jet Diffusers Floor and Staircase Diffusers Air Valves