Practi-Diluent Syringe™ 1mL Refills for Practi-Glucagon Kit is a pre-filled needled syringe containing distilled water. Wallcur's Practi-Prefilled Diluent Syringe simulates a diluent that can be used for reconstitution training and for use in refilling Wallcur's Practi-Glucagon Kit