J.G. Finneran Septa for 13-425 mm Screw ThrEachd Closures

Septa for 13-425 mm Screw Thread Closures (available separately). Choose the septa best suited for your application. Polytetrafluoroethylene (PTFE) Disk septa are chemically inert. PTFE Red Rubber septa are economical for many GC applications. PTFE/Silicone septa are most popular for HPLC and IC applications. Pre-slit septa are easier to pierce with thin gauge needles.
Image(s) are representative of the product group and not necessarily the individual product.

Material: PTFE/Butyl Rubber
Thickness (in.): 0.040

Material: PTFE/Red Rubber
Thickness (in.): 0.040

Material: PTFE/Red Rubber
Thickness (in.): 0.060

Material: PTFE/Silicone with Slit
Color: Red
Thickness (in.): 0.060

Material: PTFE/Silicone/PTFE
Color: Red
Thickness (in.): 0.040

Material: PTFE/Silicone
Color: Red
Thickness (in.): 0.060

Material: PTFE/Silicone
Color: Red
Thickness (in.): 0.075

Material: PTFE/Silicone
Color: Tan
Thickness (in.): 0.075

Material: PTFE/Silicone
Thickness (in.): 0.100

Material: PTFE
Color: White
Thickness (in.): 0.010