The present invention therefore provides a very simple and inexpensive device and system for detecting and rejecting or ejecting non-standard bottles from a line composed of standard and non-standard bottles. The device can be quickly adjusted as required to detect and reject by contact bottles based on differences between the types of bottles such as diameter, buffer zones, neck diameters, shoulder heights, etc. The device is inexpensive, requires little space or maintenance and can be adapted to handle many types of non-standard bottles.
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