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Explore the ModBlock Digestion System

  1. Products
  2. Chromatography
  3. Gas Chromatography
  4. Vials and Closures
  5. Closures
  6. Pre-assembled Caps (with Septa)
  7. No Slit

No Slit

No Slit​

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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No Slit

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.™ 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 PTFE/Silicone Lined, 1000/pk
Item number 4250-5395109FRB
$ 312.00 312.0 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.™ 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, PTFE/Silicone/PTFE Lined, 1000/pk
Item number 4250-5396F09RB
$ 317.00 317.0 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 R.A.M.™ Smooth Cap, Royal Blue, Bonded PTFE/Silicone Lined, 1000/pk
Item number 4250-53951F09RB
$ 312.00 312.0 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, Natural, PTFE/Silicone/PTFE Lined, 1000/pk
Item number 4250-539609FN
$ 317.00 317.0 USD
9mm R.A.M.™ Smooth Cap, Royal Blue, PTFE/Silicone Lined, 1000/pk
Item number 4250-5395F09RB
$ 200.00 200.0 USD
9mm R.A.M.™ Smooth Cap, Natural, PTFE/Silicone Lined, 1000/pk
Item number 4250-5395F09N
$ 200.00 200.0 USD
9mm R.A.M.™ Ribbed Cap, Royal Blue, PTFE/Silicone Lined, 1000/pk
Item number 4250-539509FRB
$ 200.00 200.0 USD
9mm R.A.M.™ Smooth Cap, Royal Blue, PTFE/Butyl Rubber Lined, 1000/pk
Item number 4250-5394F09RB
$ 187.00 187.0 USD
9mm R.A.M.™ Ribbed Cap, Royal Blue, PTFE Lined, 1000/pk
Item number 4250-539109FRB
$ 134.00 134.0 USD
9mm R.A.M.™ Smooth Cap, Royal Blue, PTFE Lined, 1000/pk
Item number 4250-5391F09RB
$ 134.00 134.0 USD