[8-425 Screw Neck White (Red PTFE & White Silicone)]
[8-425 Screw Neck Black (Red PTFE & White Silicone)]
[11mm Snap Neck Transparent (Red PTFE & White Silicone)]
11 mm Open top snap cap, clear, pre-assembled with red PTFE/white silicone,100 pieces/pk.
Caps and septa only.