VetLube Spray 30ml. VetLube is a lubricant specifically for veterinary use to assist in the insertion of the v-gel supraglottic airway devices into patient airway. It is a water-based lubricant that is colourless, odourless and non-staining. The spray bottle version is the first of its kind that can successfully spray an even thin coating of lubricant onto the surfaces of a v-gel device thereby giving a fast and reduced quantity of lubricant required in order to achieve a smooth insertion of the device into a patient.