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Explore the ModBlock Digestion System

  1. Products
  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 Solid Top R.A.M.™, Ribbed Royal Blue Polypropylene Cap Unlined, 1000/pk
Item number 4250-532009RB
$ 50.00 50.0 USD
9mm R.A.M.™ Ribbed Cap, Royal Blue, Clear PTFE/Blue Silicone w/Slit, Ultra Low Bleed - Mass Spec, 1000/pk
Item number 4250-5397UL09FRB
$ 352.00 352.0 USD
9mm R.A.M.™ Ribbed Cap, Royal Blue, PTFE/Silicone/PTFE Lined, 1000/pk
Item number 4250-539609FRB
$ 317.00 317.0 USD
9mm R.A.M.™ Smooth Cap, Royal Blue, PTFE/Silicone Lined with Y Cut, 1000/pk
Item number 4250-5371F09RB
$ 299.00 299.0 USD
9mm R.A.M.™ Natural, Smooth Polypropylene Open Hole Cap, 1000/pk
Item number 4250-5310F09N
$ 53.00 53.0 USD
9mm R.A.M.™ Ribbed Cap, Natural, Bonded PTFE/Silicone Lined, 1000/pk
Item number 4250-5395109FN
$ 312.00 312.0 USD
9mm R.A.M.™ Ribbed Cap, Natural, PTFE/Silicone Lined, 1000/pk
Item number 4250-539509FN
$ 200.00 200.0 USD
9mm R.A.M.™ Ribbed Cap, Royal Blue, Bonded Clear PTFE/Blue Silicone Ultra Low Bleed Septa - Mass Spec, 1000/pk
Item number 4250-5395U109FRB
$ 352.00 352.0 USD
9mm R.A.M.™ Ribbed Cap, Royal Blue, Bonded PTFE/Silicone Lined, 1000/pk
Item number 4250-5395109FRB
$ 312.00 312.0 USD
9mm R.A.M.™ Ribbed Cap, Royal Blue, Clear PTFE/Blue Silicone Ultra Low Bleed Septa for Mass Spec, 1000/pk
Item number 4250-5395UL09FRB
$ 313.00 313.0 USD
9mm R.A.M.™ Ribbed Cap, Royal Blue, PTFE Lined with Slit, 1000/pk
Item number 4250-5391709FRB
$ 176.00 176.0 USD
9mm R.A.M.™ Ribbed Cap, Royal Blue, PTFE/Butyl Rubber Lined, 1000/pk
Item number 4250-539409FRB
$ 187.00 187.0 USD
9mm R.A.M.™ Royal Blue, Ribbed Polypropylene Open Hole Cap, 1000/pk
Item number 4250-531009FRB
$ 53.00 53.0 USD
9mm R.A.M.™ Royal Blue, Smooth Polypropylene Open Hole Cap, 1000/pk
Item number 4250-5310F09RB
$ 53.00 53.0 USD
9mm R.A.M.™ Smooth Cap, Natural, Bonded PTFE/Silicone Lined, 1000/pk
Item number 4250-53951F09N
$ 312.00 312.0 USD
9mm R.A.M.™ Smooth Cap, Natural, PTFE/Butyl Rubber Lined, 1000/pk
Item number 4250-5394F09N
$ 187.00 187.0 USD
9mm R.A.M.™ Smooth Cap, Natural, PTFE/Silicone/PTFE Lined, 1000/pk
Item number 4250-5396F09N
$ 317.00 317.0 USD
9mm R.A.M.™ Smooth Cap, Royal Blue, Clear PTFE/Blue Silicone Ultra Low Bleed Septa for Mass Spec, 1000/pk
Item number 4250-5395ULF09RB
$ 313.00 313.0 USD
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