The Evolution Sheath has a plunger designed to promote complete isolation of the tube, eliminating any possibility of backflow and semen losses, while the common AI sheath presents semen backflow with a loss of approximately 10%. It has an internal plunger that seals between the reed and the sheath.

Prevents reflux and semen loss.
Pregnancy rates increase.
It has a cut.

Specifications:
Gross Unit Weight: 1.82g Weight
Gross Packing 50 pieces: 91g
Dimensions: Ø4.5xØ4.1x444mm
Pack Contents: Pack of 50 units.

Compatible with WTA 0,25 - 0.50 and Universal AI applicators.