gold lacquered, 8mm centre hole; Silicone white/PTFE blue, 55 ° shore A, ... 1222 which has a much thicker crimp neck than all standard Headspace Vials.

11mm Crimp neck vial, 32x11.6mm, clear glass, white graduation line and marking cap and septa for 11mm Crimp neck, Aluminum cap, clear, centre hole, ...

Clear glass, magnetic cap silver, central hole 8 mm with septum silicone blue transparent/PTFE white, 45° shore A, 1,3 mm, 20,00 ml, 22,5×75,5 mm 

These convenience kits offer matched quantities of 20 mm headspace vials and aluminum seals with prefitted 20mm Composite Magnetic Crimp Cap, 8mm hole.

RA0622, UltraClean Closure: 20mm Magnetic Cap,gold 8mm centre hole; RA0517, 20ml Headspace-Vial,75,5 x 22.5mm,clear glass,bevelled Crimp Neck,long neck ...

Caps, Headspace, Screw Top, with White Silicone Rubber / Red PTFE Pre-Slit (Star Shape) Septa, fitted in Steel, Magnetic, Silver Caps with 8mm center holes.

Preassembled stainless steel magnetic screw cap for headspace vials, with 18 mm thread, blue PTFE/white silicon septa with 8 mm center hole.

Black screw polypropylene cap, 5.5mm centre hole 8mm imChem high quality headspace vials have a beveled neck for a secure seal,.