Seal-Tight Spectrum - 1500 tip bulk pack. Assorted Colors Disposable Air/Water Syringe Tips. Bendable, Adapter Required. Rubber O-ring seal is built directly into the end of each tip - changing tips automatically changes seals for a 100% water-tight connection. Seal-Tight Tips use a push-button auto-lock adapter, sold separately. **This manufacturer may assess a restocking fee of up to 50% on returned items. Please call Net32 Customer Service regarding return policy 1-800-517-1997. Package of 1500 syringe tips