Pos-T-Vac Ultimate Ring X – Extra Small Tension Ring (7.6 mm)

The Pos-T-Vac Ultimate Ring X is a soft, pliable extra small (XS) round tension ring with an inside diameter of 7.6 mm (0.31"). It gives even, lasting tension.

Fit and compatibility

• Size: X (Extra Small), inside diameter 7.6 mm (0.31")
• Ultimate sizes, smallest to largest: X (7.6 mm), 1 (8.7 mm), 2 (10.5 mm), 3 (14 mm), 4 (16 mm)
• Latex-free
• Loads onto the cylinder with the Pos-T-Vac ring loading cone

For use with Pos-T-Vac vacuum therapy systems, including:

• Pos-T-Vac BOS-2000 (2-battery)
• Pos-T-Vac MVP 700 (manual)
• Pos-T-Vac Automatic 3000 (3-battery)

When to replace

Each Ultimate Ring lasts about 20–30 uses. The manufacturer recommends replacing rings every 3–6 months, depending on how often you use them.

Safety: Do not leave a tension ring on for more than 30 minutes. Read the user guide that came with your system before use.

Sizing tip

Manufacturer and MedlinePlus guidance: start with the largest comfortable inside diameter and size down only if needed. Do not leave a tension ring on for more than 30 minutes. Replace rings every few months as they lose elasticity.

Paying with an HSA or FSA

This tension ring may be eligible for purchase with an HSA or FSA when it is used with a vacuum therapy system to treat erectile dysfunction. Many plan administrators ask for a doctor's prescription or a letter of medical necessity, so please check with your plan before you order.

Need an itemized receipt? Your order confirmation already lists each item, and we can email you a copy anytime — just ask.

Educational video. Not a substitute for medical advice. Talk with your doctor before starting vacuum therapy.