Product name: 18mm Screw for GC/GCMS Instrument Clear Headspace Vial Metal Caps

We are a factory that specializes in producing high-quality clear headspace vials and metal caps for GC/GCMS instruments. Our 18mm screw caps are designed to fit securely onto the vials, ensuring a tight seal that prevents any contamination or loss of sample during analysis. These caps are made of durable metal that can withstand high temperatures and pressure, making them ideal for use in a laboratory setting. They are easy to use, with a simple screw-on design that allows for quick and efficient sample preparation. With our commitment to quality and reliability, you can trust that our headspace vial metal caps will meet your needs and exceed your expectations. Try them today and see the difference for yourself!