Restek Indicating Oxygen Trap. Changes from light green to gray as oxygen is trapped; heavy walled glass body; prepurged; Pmax: 100psi; reduces oxygen to 0.1ppm; 10µm frit on inlet and outlet; each.

Restek Indicating Moisture Trap; ¼" fittings; reduces water to less than 10 ppb; indicator changes from yellowish-green to blue at 5% relative humidity; prepurged for fast stabilization; reduces noise from high-sensitivity detectors; heavy-walled glass bo

Restek Indicating Moisture Trap, Gas Purification; 1/8" brass fittings; reduces water to less than 10ppb, indicator changes colour at 5% RH; pre-purged; Pmax=100psi.

Restek High Capacity Moisture Trap. Purged with ultra-high-purity helium; any carrier gas including hydrogen. Reduces water to less than 15 ppb. PMax: 250 psi (1,724 kPa). Max flow: 1.25 L/min. 1/8" nickel-plated brass fittings; each.

Restek indicating oxygen trap; changes form light green to grey as oxygen is trapped; heavy walled glass body; pre-purged; reduces O2 to 0.1ppm; ¼" brass fittings.