{"product_id":"postvac-mach-ring-7","title":"Pos-T-Vac Mach Ring 7 – Large Tension Ring (10.5 mm)","description":"\u003cp\u003eThe Pos-T-Vac Mach Ring 7 is a large (L) replacement tension ring with an inside diameter of 10.5 mm (0.43\"). Mach Rings have a thick center that spreads tension evenly over a wide area for comfort.\u003c\/p\u003e\u003ch3\u003eFit and compatibility\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003eSize: 7 (Large), inside diameter 10.5 mm (0.43\")\u003c\/li\u003e\n\u003cli\u003eMach sizes run 5 (smallest) to 8 (largest): 6.5, 8.6, 10.5 and 13.5 mm\u003c\/li\u003e\n\u003cli\u003eLatex-free\u003c\/li\u003e\n\u003cli\u003eLoads onto the cylinder with the Pos-T-Vac ring loading cone\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eFor use with Pos-T-Vac vacuum therapy systems, including:\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pos-t-vac-bos-2000-powered-2-battery-pump-system\"\u003ePos-T-Vac BOS-2000 (2-battery)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pos-t-vac-mvp-700-manual-pump-system\"\u003ePos-T-Vac MVP 700 (manual)\u003c\/a\u003e\u003c\/li\u003e\n\u003cli\u003e\u003ca href=\"\/products\/pos-t-vac-automatic-3000\"\u003ePos-T-Vac Automatic 3000 (3-battery)\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003ch3\u003eWhen to replace\u003c\/h3\u003e\u003cp\u003eA Mach Ring keeps adequate firmness for about 30–40 uses. Replace it sooner if it stretches, tears or no longer holds tension.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eSafety:\u003c\/strong\u003e Do not leave a tension ring on for more than 30 minutes. Read the user guide that came with your system before use.\u003c\/p\u003e\n\u003ch3\u003eSizing tip\u003c\/h3\u003e\n\u003cp\u003eManufacturer and MedlinePlus guidance: start with the \u003cstrong\u003elargest comfortable\u003c\/strong\u003e 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.\u003c\/p\u003e\n\n\u003ch3\u003ePaying with an HSA or FSA\u003c\/h3\u003e\n\u003cp\u003eThis 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.\u003c\/p\u003e\n\u003cp\u003eNeed an itemized receipt? Your order confirmation already lists each item, and we can email you a copy anytime — just ask.\u003c\/p\u003e\n\u003cdiv class=\"rejoyn-video\" style=\"position:relative;padding-bottom:56.25%;height:0;overflow:hidden;max-width:100%;margin:1.5em 0;\"\u003e\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/8igRAUsUCCI?rel=0\" title=\"Pos-T-Vac Ultimate and Mach Rings What's the Difference?\" loading=\"lazy\" allow=\"accelerometer; autoplay; clipboard-write; encrypted-media; gyroscope; picture-in-picture; web-share\" allowfullscreen referrerpolicy=\"strict-origin-when-cross-origin\" style=\"position:absolute;top:0;left:0;width:100%;height:100%;border:0;\"\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003cp\u003e\u003cem\u003eEducational video. Not a substitute for medical advice. Talk with your doctor before starting vacuum therapy.\u003c\/em\u003e\u003c\/p\u003e","brand":"Pos-T-Vac","offers":[{"title":"Default Title","offer_id":40179331334219,"sku":null,"price":21.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0554\/4057\/2491\/files\/PTV_TensionRing_7.jpg?v=1701749665","url":"https:\/\/rejoynstore.com\/products\/postvac-mach-ring-7","provider":"Rejoyn Store","version":"1.0","type":"link"}