IMI offers Rx-Tract aspirating needles for introducing fluids to deep wells and vials, drawing liquids for reconstruction, or prefilling syringes prior to administration. The needles are offered in 3-inch, 5-inch, and 8-inch lengths, 19- and 16-gauge, and are available in both sharp and blunt cannulas. A needle guard is also included to increase protection against accidental needle sticks. All IMI products are made in the US at an FDA-registered facility.