PTV Ultimate II Round Rings. Soft, pliable ring for lasting tension and comfort. Designed for Pos-T-Vac Ring Loading System. May be used with the ErecAid Systems – manual loading only. Do not use with the ErecAid Ring Loading device. Stretch onto cylinder with fingers and thumbs.
Ultimate #3 – Large 13.5mm (.531″).

PosTVac BOS3000 (PTV System)
Osbon EZ Tension Ring (Number 6)





