TempCanal Enhanced endodontic irrigation needles, (27-gauge x 1”, 2-side-vent) Pkg. of 20 For direct application of treatment paste. Dual-side vents control material dispense. Closed-end prevents delivery beyond root apex. Used with TempCanal Enhanced syringes. Use TempCanal Enhanced endodontic irrigation needles with TempCanal Enhanced syringes. Each 27-gauge needle has dual-side vents for controlled single-hand dispensing of temporary calcium hydroxide treatment paste directly into the root canal.The closed-end prevents delivery beyond the root apex.