dampers, air diffusers, air handling unit (ahu) control systems, air flow dampers, industrial dehumidifiers, indoor swimming pool dehumidifiers, outdoor swimming pool dehumidifiers, fan accessories, industrial fans, special purpose fans, clean room filters, high efficiency particle air (hepa) filters, floor ventilation air diffusers, air flow instrumentation, air flow measuring equipment available from waddell inc based in moorestown, nj. click the links below to visit our website or contact us via our profile page.