Flexible Teflon Gavaging needles w/ Bite protector - 18G-38mm - Box/100Teflon and Flexible Plastic (PTFE) Needles were developed to satisfy the demands of those researchers who require a low cost single use needle for critical applications. PTFE and Teflon feeding tubes for rodent oral gavage are flexible to reduce the risk of trauma and disposable to eliminate the cost of cleaning and the chance of compound crossover. Flexible tubes are often recommended as an animal welfare refinement over rigid metal tubes. The