AIRTOP, Multi-bloc air handling unit is designed to meet needs like mixing, filtration, heating, cooling, dehumidification, humidification, ventilation, recovery and sound attenuation in residential buildings and commercial, industrial and healthcare facilities. It is available for indoor installation as well as outdoor installation in horizontal units with covering and protective accessories. The user can order the product in single or dual path. Some of the features of the product are double skin casing having 50 mm long fibre mineral wool insulation reinforced with bonded glass fibre cloth, peripheral frame or stainless steel support legs depending on size, two-tone galvanised steel twin-wall panels, smooth internal walls. Filter efficiency of G4, F6 to F9, H10 or activated carbon and has international dimensions. Compressible runners have filters mounted on it or universal frame with pressure tappings. Doors are lift-off type with twist-lock latches and polyamide handles. Have sloped condensate drain pan. Hot-water or cold-water coils with threaded connections as standard up to 3” and airtight flanges, electric heater.