Eco Caps and Eco Cap Kits

  • Competitively priced alternative to sparge and deliver mobile phases
  • Includes tubing and filter
  • Also available as bottle kit

The Eco Cap consists of a three-hole ETFE insert (two for 1/8" and one for 4 mm tubing) with a polyethylene collar, compatible with all standard GL45 thread bottles. The Eco Cap has no threading for fittings on the inside of the tubing ports – the tubing is simply inserted.

The Eco Cap includes:

  • 1 cap, GL45 thread, with three ports
  • Polypropylene male Luer plug for 4 mm bore

The Eco Cap bottle kit adds:

  • 1 safety-coated glass bottle (option of 1 L or 2 L)
  • PFA tubing, 3 m
  • 1 No-Met filter, 20 µm
Description Bottle size Product No.
Eco cap JR-9000-0007
Eco cap kit
with safety-coated bottle
1 L JR-9000-0013
2 L JR-9000-0014

Spare parts

Description Qty/pkg Product No.
Male Luer plug, polypropylene 10 JR-070350-10


  • Materials:
    Screw collar Polypropylene
    Pouring ring Polypropylene
    Eco-cap insert ETFE
    O-rings EPDM
    Luer plug Polypropylene



Once the mobile phase is degassed, we recommend our impermeable tubing between bottle cap and pump to prevent regassing of helium degassed solvents.


These caps are not usable for building up a helium atmosphere within in the solvent bottle, but only for continuous helium sparging.