Model TNV | PTFE Needle Valve is designed for laboratory and industrial applications for regulating corrosive gases and liquids for high purity services. Designed to be used in pressure or non-critical vacuum
10Pcs 25G Dispensing Needles, 1/2" PTFE Needle Tips with Flexible Needle Red | eBay
Jensen Global JG16-2.0T Teflon Needle | Howard Electronics