This compact Tecline stage set is oxygen-cleaned and features an M26x2 DIN connection, making it ideal for 100% O2 use in stage or decompression setups. The R4 TEC O2 first stage is paired with the TEC1 O2 second stage, connected with a green 1m Proflex hose for clear O2 identification.

The set includes:

• R4 TEC O2 first stage – M26x2 DIN, oxygen clean

• TEC1 O2 second stage – smooth, compact, oxygen clean

• 1m LP Proflex hose (green) – flexible and high-visibility

• Tecline bag – practical and protective