A universal remote control apparatus that is programmable with software supplied by manufacturers of controllable devices so that a single remote control apparatus has a broad spectrum application capable of operating many different controllable devices. The polishing pads, for example, can be web-format pads, and the planarizing machines can be web-format machines. The vent assembly, along with a filter placed between a desiccant container and the valve housing, individually and jointly, prevent desiccant that escapes the desiccant container from clogging the valve assembly.