1001TLL, PTFE Luer lock (with slots), volume 1 mL, needle size (not included) Pricing 20998 1002TLL, PTFE Luer lock, volume 2.5 mL, needle size (not included) Pricing 26209 1002TLL, PTFE Luer lock (with slots), volume 2.5 mL, needle size (not included)