20-60mL 24-400 Screw Neck Storage Vial ND24 Screw Neck Vials ND24 (EPA) storage vial with matched ND24 pp caps , 22mm PTFE/silicone septa Product Description: 1.ND24 EPA Screw Neck Vials(Clear/Amber).                                                     2.Available with black or white screw caps with 24mm thread.                               3.Available as closed top screw seals or with centre hole.                                         4.Nature PTFE/nature Silicone septa 22*3mm  Features: 1) Caps and vials are ideal for sampling and storage. 2) Caps are lined with PTFE/silicone for excellent sealability and chemical resistance 3) Temperature resistant -60-200 4) Caps are manufactured of high quality materials to eliminate sample contamination. 1, ISO certificated company system keeps all the process under control ; 2, 4 years OEM experience promise all the orders can be handled very well ; 3, 1 year warranty for the products we supplied, guarantee the stable quality ; 4, All the products are CE certificated ,also SGS test report if need ; 5,24*365 hours sales &technical service will solve the issue in 2 hours ; 6, 5million stock gurrantee 24hours delivery time for all the regular orders ; 7,More than 2000kinds of lab consumables offering you with the best price; 8, Free samples for your test under our cost anytime; 9,No MOQ for users or dealers,different package meets your requirements .