PE
Barb Male Luer Connector
Fits 5.6-6.4mm ID Tubing
Fits 4.0mm OD or 6.0mm ID Tubing
ABS
Fits 2.3mm OD Tubing
Fits 2.0mm OD Tubing
Barb Female Luer Connector
Fits 4.8-5.6mm ID Tubing
PP