TIRED OF LEAKY SYRINGES? These high quality syringes will not leak. Used for a variety of purposes in personal healthcare, scientific labs, veterinary clinics and more. Personal use and healthcare: Liquid can be dispensed through catheter tube. Lab use: Science labs use to dispense liquids. Medical use: administer medication. Veterinary use: Veterinary clinics use to administer medications. Pet healthcare. No needles necessary or included. Siliconized gaskets provide a consistently smooth plunger motion and positive stop.