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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 R.A.M.™ Smooth Cap, Black, PTFE/Butyl Rubber Lined, 1000/pk
Item number 4250-5394F09
$ 187.00 187.0 USD
9mm R.A.M.™ Smooth Cap, Black, PTFE Lined, 1000/pk
Item number 4250-5391F09
$ 161.00 161.0 USD
9mm R.A.M.™ Orange, Ribbed Polypropylene Open Hole Cap, 1000/pk
Item number 4250-531009FO
$ 53.00 53.0 USD
9mm R.A.M.™ Green, Ribbed Polypropylene Open Hole Cap, 1000/pk
Item number 4250-531009FG
$ 53.00 53.0 USD
9mm R.A.M.™ Pink, Ribbed Polypropylene Open Hole Cap, 1000/pk
Item number 4250-531009FPK
$ 53.00 53.0 USD
9mm R.A.M.™ Smooth Cap, Royal Blue, PTFE/Silicone Lined with Cross Slit, 1000/pk
Item number 4250-5395XF09RB
$ 400.00 400.0 USD
9mm R.A.M.™ Ribbed Cap, Royal Blue, PTFE/Silicone Lined with Y Cut, 1000/pk
Item number 4250-537109FRB
$ 299.00 299.0 USD
9mm R.A.M.™ Ribbed Cap, Natural, PTFE/Butyl Rubber Lined, 1000/pk
Item number 4250-539409FN
$ 187.00 187.0 USD
9mm R.A.M.™ Ribbed Cap, Royal Blue, Bonded, Clear PTFE/Blue Silicone w/Slit, Ultra Low Bleed - Mass Spec, 1000/pk
Item number 4250-5397U109FRB
$ 374.00 374.0 USD
9mm R.A.M.™ Ribbed Cap, Royal Blue, Bonded PTFE/Silicone with Slit Lined, 1000/pk
Item number 4250-5397109FRB
$ 352.00 352.0 USD
9mm Solid Top R.A.M.™, Ribbed Yellow Polypropylene Cap Unlined, 1000/pk
Item number 4250-532009Y
$ 50.00 50.0 USD
9mm R.A.M.™ Ribbed Cap, Royal Blue, PTFE/Silicone with Slit Lined, 1000/pk
Item number 4250-539709FRB
$ 339.00 339.0 USD
9mm R.A.M.™ Ribbed Cap, Black, Black Viton® Lined, 1000/pk
Item number 4250-539909F
$ 558.00 558.0 USD
9mm R.A.M.™ Smooth Cap, Royal Blue, Bonded, Clear PTFE/Blue Silicone w/Slit, Ultra Low Bleed - Mass Spec, 1000/pk
Item number 4250-5397U1F09RB
$ 374.00 374.0 USD
9mm R.A.M.™ Smooth Cap, Royal Blue, PTFE/Silicone with Slit Lined, 1000/pk
Item number 4250-5397F09RB
$ 292.00 292.0 USD
9mm R.A.M.™ Smooth Cap, Natural, PTFE/Silicone with Slit Lined, 1000/pk
Item number 4250-5397F09N
$ 292.00 292.0 USD
9mm R.A.M.™ Smooth Cap, Royal Blue, Bonded PTFE/Silicone with Slit Lined, 1000/pk
Item number 4250-53971F09RB
$ 352.00 352.0 USD
9mm R.A.M.™ Smooth Cap, Pink, Bonded PTFE/Silicone with Slit Lined, 1000/pk
Item number 4250-53971F09PK
$ 352.00 352.0 USD
9mm R.A.M.™ Smooth Cap, Orange, Bonded PTFE/Silicone with Slit Lined, 1000/pk
Item number 4250-53971F09O
$ 352.00 352.0 USD
9mm R.A.M.™ Smooth Cap, Natural, Bonded PTFE/Silicone with Slit Lined, 1000/pk
Item number 4250-53971F09N
$ 352.00 352.0 USD