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National Scientific 13mm Septa For Screw Thread Vials

Quick Overview

For 4mL screw thread vials

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Product Name Part # Image Price Qty
13mm Septum, Red PTFE/White Silicone, 100/pack

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NS-C401560 13mm Septum, Red PTFE/White Silicone, 100/pack
$28.92
13mm Septum, Ivory PTFE/White Silicone, 1000/case

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NS-C401561 13mm Septum, Ivory PTFE/White Silicone, 1000/case
$266.55
13mm Septum, Virgin PTFE, 10mil, 1000/case

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NS-C401510 13mm Septum, Virgin PTFE, 10mil, 1000/case
$50.37
13mm Septum, Red PTFE/White Silicone/Red PTFE, 100/pack

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NS-C401540 13mm Septum, Red PTFE/White Silicone/Red PTFE, 100/pack
$41.67
13mm Septum, Ivory PTFE/Red Rubber, 100/pack

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NS-C401530 13mm Septum, Ivory PTFE/Red Rubber, 100/pack
$23.95
13mm Septum, Red PTFE/White Silicone, Soft Durometer, Thin septum, 100/pack

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NS-C401545 13mm Septum, Red PTFE/White Silicone, Soft Durometer, Thin septum, 100/pack
$29.13
13mm Septum, Blue PTFE/White Silicone, Pre-slit, 100/pack

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NS-C401555 13mm Septum, Blue PTFE/White Silicone, Pre-slit, 100/pack
$44.50

Additional Details

* PTFE Disk septa are inert chemically inert

* PFTE 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