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Explore the ModBlock Digestion System

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  2. Chromatography
  3. Gas Chromatography
  4. Vials and Closures
  5. Closures

Closures

Closures​

Guaranteed Compatibility with Agilent, Varian, Shimadzu, PerkinElmer, and More.

Extra-Long-Life
Multipliers & Filaments

Manufactured
in the USA

Increase Instrument
Uptime

Industry-Leading
Linearity

Used by OEMs in
Premium Instruments

Late Order
Cutoff Time
Public Pricelist
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Closures

9mm R.A.M.™ Smooth Cap, Royal Blue, Clear PTFE/Blue Silicone w/Slit, Ultra Low Bleed - Mass Spec, 1000/pk
Item number 4250-5397ULF09RB
$ 352.00 352.0 USD
9mm R.A.M.™ Smooth Cap, Royal Blue, PTFE/Silicone/PTFE Lined, 1000/pk
Item number 4250-5396F09RB
$ 317.00 317.0 USD
9mm R.A.M.™ Smooth Cap, Yellow, Bonded PTFE/Silicone with Slit Lined, 1000/pk
Item number 4250-53971F09Y
$ 352.00 352.0 USD
9mm R.A.M.™ Smooth Cap, Yellow, PTFE/Butyl Rubber Lined, 1000/pk
Item number 4250-5394F09Y
$ 187.00 187.0 USD
9mm R.A.M.™ Smooth Cap, Yellow, PTFE/Silicone with Slit Lined, 1000/pk
Item number 4250-5397F09Y
$ 292.00 292.0 USD
9mm R.A.M.™ Smooth Cap, Yellow, PTFE/Silicone/PTFE Lined, 1000/pk
Item number 4250-5396F09Y
$ 317.00 317.0 USD
9mm R.A.M.™ Yellow, Ribbed Polypropylene Open Hole Cap, 1000/pk
Item number 4250-531009FY
$ 53.00 53.0 USD
9mm Solid Top R.A.M.™ Ribbed Cap, Green Polypropylene, PTFE/F217 Lined, 1000/pk
Item number 4250-536009G
$ 198.00 198.0 USD
9mm Solid Top R.A.M.™ Ribbed Cap, Royal Blue Polypropylene, PTFE/F217 Lined, 1000/pk
Item number 4250-536009RB
$ 229.00 229.0 USD
9mm Solid Top R.A.M.™ Ribbed Cap, Royal Blue Polypropylene, PTFE/Silicone Lined, 1000/pk
Item number 4250-5355009FRB
$ 206.00 206.0 USD
9mm Solid Top R.A.M.™ Ribbed Cap, Yellow Polypropylene, PTFE/F217 Lined, 1000/pk
Item number 4250-536009Y
$ 198.00 198.0 USD
9mm Solid Top R.A.M.™, Ribbed Red Polypropylene Cap Unlined, 1000/pk
Item number 4250-532009R
$ 50.00 50.0 USD
9mm R.A.M.™ Smooth Cap, Red, Bonded PTFE/Silicone with Slit Lined, 1000/pk
Item number 4250-53971F09R
$ 352.00 352.0 USD
9mm R.A.M.™ Smooth Cap, Black, PTFE/Silicone Lined, 1000/pk
Item number 4250-5395F09
$ 200.00 200.0 USD
9mm R.A.M.™ Ribbed Cap, Green, PTFE/Silicone Lined, 1000/pk
Item number 4250-539509FG
$ 200.00 200.0 USD
9mm R.A.M.™ Smooth Cap, Pink, PTFE/Silicone with Slit Lined, 1000/pk
Item number 4250-5397F09PK
$ 292.00 292.0 USD
9mm R.A.M.™ Ribbed Cap, Yellow, PTFE/Silicone with Slit Lined, 1000/pk
Item number 4250-539709FY
$ 292.00 292.0 USD
9mm R.A.M.™ Smooth Cap, Royal Blue, Bonded PTFE/Silicone Lined, 1000/pk
Item number 4250-53951F09RB
$ 312.00 312.0 USD
9mm Solid Top R.A.M.™ Ribbed Cap, Red Polypropylene, PTFE/F217 Lined, 1000/pk
Item number 4250-536009R
$ 198.00 198.0 USD
9mm R.A.M.™ Smooth Cap, Royal Blue, PTFE Lined with Slit, 1000/pk
Item number 4250-53917F09RB
$ 176.00 176.0 USD