Overview Intrafix® Primeline is a high-quality IV administration set designed for both gravity and pressure infusion therapy. It ensures accurate, safe, and hygienic delivery of infusion solutions in various clinical settings. Gravity Sets (G) are suitable for standard gravity infusions, while Pressure Sets (P) are compatible with both gravity and pressure infusions when used with non-dedicated infusion pumps (pressure resistant up to 2 bar according to ISO 8536-8).