The Neoendo Side Vent Needle is an endodontic irrigation needle with one or two lateral vent for gentle but effective irrigation for root canals. NeoEndo Endodontic Canal Irrigation Needles are premium quality products used in root canal treatments for irrigation of canals to remove any debris or blood. Irrigation needles are available as single or double vent type. Irrigation needle with two lateral vents provides gentle and effective irrigation of root canal. One/Two Lateral Vent and Rounded Tip. The Side Vent Needle is an endodontic irrigation needle with one lateral vent for gentle but effective irrigation for root canals. Penetration of the apex is avoided due to the lateral vent and rounded end, therefore the full length of the root canal may be safely irrigated. This thin-walled needle improves flow rate, offers better irrigation and high flexibility.