Encore Tension Ring Sizes, Encore Replacement Rings can be used with any brand vacuum device; Features.
![Amazon.com: PosTVac Mach Ring, A148, Size 6, Medium Inside Diameter 8.6mm (.340 inches) : Health & Household Amazon.com: PosTVac Mach Ring, A148, Size 6, Medium Inside Diameter 8.6mm (.340 inches) : Health & Household](https://m.media-amazon.com/images/I/51Q6CSvISKL._SY350_PKmb-play-button-overlay_.jpg)
Amazon.com: PosTVac Mach Ring, A148, Size 6, Medium Inside Diameter 8.6mm (.340 inches) : Health & Household
![Amazon.com: PosTVac Mach Ring, A148, Size 6, Medium Inside Diameter 8.6mm (.340 inches) : Health & Household Amazon.com: PosTVac Mach Ring, A148, Size 6, Medium Inside Diameter 8.6mm (.340 inches) : Health & Household](https://m.media-amazon.com/images/I/31C-sR0gdXL._SR600%2C315_PIWhiteStrip%2CBottomLeft%2C0%2C35_PIStarRatingTHREEANDHALF%2CBottomLeft%2C360%2C-6_SR600%2C315_ZA89%2C445%2C290%2C400%2C400%2CAmazonEmberBold%2C12%2C4%2C0%2C0%2C5_SCLZZZZZZZ_FMpng_BG255%2C255%2C255.jpg)
Amazon.com: PosTVac Mach Ring, A148, Size 6, Medium Inside Diameter 8.6mm (.340 inches) : Health & Household
![Signet Ring for Men With Square Black Onyx Stone, Pinky Punk Gold Square Signet Ring, Black Onyx Gem Stone Signet Ring for Men Onyx Jewelry - Etsy UK | Rings for men, Signet Ring for Men With Square Black Onyx Stone, Pinky Punk Gold Square Signet Ring, Black Onyx Gem Stone Signet Ring for Men Onyx Jewelry - Etsy UK | Rings for men,](https://i.pinimg.com/originals/cc/d9/89/ccd989026378f02cf24e45238287fd74.jpg)
Signet Ring for Men With Square Black Onyx Stone, Pinky Punk Gold Square Signet Ring, Black Onyx Gem Stone Signet Ring for Men Onyx Jewelry - Etsy UK | Rings for men,
![Amazon.com: Penis Pump Ring Loading System, Vacuum Pump Accessories for Men with Erectile Dysfunction or Premature Ejaculation - Pos-T-Vac Ez-Load Support Ring Loading System : Health & Household Amazon.com: Penis Pump Ring Loading System, Vacuum Pump Accessories for Men with Erectile Dysfunction or Premature Ejaculation - Pos-T-Vac Ez-Load Support Ring Loading System : Health & Household](https://m.media-amazon.com/images/I/91L3f3IUaOL.jpg)
Amazon.com: Penis Pump Ring Loading System, Vacuum Pump Accessories for Men with Erectile Dysfunction or Premature Ejaculation - Pos-T-Vac Ez-Load Support Ring Loading System : Health & Household
![Amazon.com: PosTVac Mach Ring, A148, Size 6, Medium Inside Diameter 8.6mm (.340 inches) : Health & Household Amazon.com: PosTVac Mach Ring, A148, Size 6, Medium Inside Diameter 8.6mm (.340 inches) : Health & Household](https://m.media-amazon.com/images/I/812eAEljG1L.jpg)
Amazon.com: PosTVac Mach Ring, A148, Size 6, Medium Inside Diameter 8.6mm (.340 inches) : Health & Household
![Amazon.com: PosTVac Mach Ring, A143, Size 7, Large Inside Diameter 10.5mm (.430 inches) : Health & Household Amazon.com: PosTVac Mach Ring, A143, Size 7, Large Inside Diameter 10.5mm (.430 inches) : Health & Household](https://m.media-amazon.com/images/I/812eAEljG1L._AC_SY200_QL15_.jpg)
Amazon.com: PosTVac Mach Ring, A143, Size 7, Large Inside Diameter 10.5mm (.430 inches) : Health & Household
![Amazon.com: PosTVac Mach Ring, A148, Size 6, Medium Inside Diameter 8.6mm (.340 inches) : Health & Household Amazon.com: PosTVac Mach Ring, A148, Size 6, Medium Inside Diameter 8.6mm (.340 inches) : Health & Household](https://m.media-amazon.com/images/I/81oqPdCwWOL.jpg)