... needle10,25,50,100ul Fixed Syringe (for GC)--Beveled needle250,500,1000ul Fixed Syringe (for GC)--Teflon plunger, Beveled needle* Syringes ... needle10,25,50,100ul Fixed Syringe (for HPLC)--Beveled needle250,500,1000ul Fixed Syringe (for HPLC)--Teflon plunger, Beveled needle* Removable ... needle250,500,1000,2500,5000,10000ul Luer Lock Syringe--Teflon plunger, Cone-shaped needle head secured by a Twist- ...