{"product_id":"tudiving-2l-portable-scuba-tank-support-30-45-minutes-breath-refillable-diving-tank-for-underwater-works","title":"Experience longer underwater work sessions with the TUDIVING S700Plus portable scuba cylinder, a compact, dependable companion that keeps your breath steady when you need it most.","description":"\u003cdiv\u003e\n\u003cp\u003e\u003cstrong\u003eTUDIVING S700Plus Portable Scuba Cylinder\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eDesigned for longer underwater sessions, this compact 2L cylinder from TUDIVING delivers a steady breath and dependable performance when you need it most. The regulator is separated from the body and requires assembly by you, keeping your setup lightweight for travel and adaptable to your preferred configuration.\u003c\/p\u003e \u003cul\u003e \u003cli\u003e\n\u003cstrong\u003e2L capacity at 3000 psi (200 bar \/ 20 MPa)\u003c\/strong\u003e provides an estimated 30–45 minutes of underwater breathing depending on depth, temperature, and breathing rate.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eDOT-certified and CE-listed\u003c\/strong\u003e for peace of mind and regulatory compliance in diverse environments.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e6061 aviation aluminum construction\u003c\/strong\u003e with seawater-resistant surface coating to resist corrosion in harsh marine conditions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eS700 pressure regulator\u003c\/strong\u003e with an air switch, explosion-proof valve, 8mm charging interface, telescopic pressure gauge, and a pressure-reducing chamber for reliable delivery.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eSRCPEG constant pressure air outlet\u003c\/strong\u003e system decompresses high-pressure gas and maintains a steady flow through the medium-pressure tube for easy, effortless breathing underwater.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003e360° rotatable joint\u003c\/strong\u003e paired with a pressure-resistant medium-pressure tube, enabling comfortable, unrestricted movement in any orientation—perfect for underwater photography, exploration, or tasks in awkward positions.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eBackpack-style design\u003c\/strong\u003e replaces the traditional vest, making it easier to carry the cylinder hands-free while you swim, dive, or work.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eExtension tube to pressure gauge\u003c\/strong\u003e for quick, at-a-glance remaining gas checks without disturbing your dive plan.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eThree inflation methods\u003c\/strong\u003e offer flexible filling options for different environments and equipment setups.\u003c\/li\u003e \u003cli\u003e\n\u003cstrong\u003eLifetime customer support\u003c\/strong\u003e from TUDIVING – we’re ready to help with assembly, setup, and care questions whenever you need it.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eThe S700Plus isn’t just a gas source—it’s a versatile dive companion built to supplement a range of underwater activities. With the regulator separated from the body, you have room to customize connections, whether you’re pairing it with a compact camera setup for underwater photography, conducting routine hull or propeller maintenance, or simply enjoying an extended snorkeling or shallow-water excursion with extended air supply.\u003c\/p\u003e \u003ch3\u003eIdeal use cases\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003eUnderwater photography and videography where a reliable, easily monitored air supply helps you stay focused on framing and timing rather than worrying about gas levels.\u003c\/li\u003e \u003cli\u003eExploration and macro-science dives where a compact, easily portable gas source reduces bulk while delivering smooth airflow.\u003c\/li\u003e \u003cli\u003eUnderwater inspection, maintenance, and repair work on boats, docks, or underwater structures where hands-free mobility is beneficial.\u003c\/li\u003e \u003cli\u003eEmergency or safety scenarios where a readily accessible air source can provide a thoughtful redundancy during operations.\u003c\/li\u003e\n\u003c\/ul\u003e \u003ch3\u003eHow this cylinder compares to alternatives\u003c\/h3\u003e\n\u003cp\u003eCompared with bulkier or less-regulated options, the S700Plus prioritizes portability, precise gas delivery, and resilience in marine environments. Its 2L form factor keeps weight manageable for travel, while the 360° rotatable joint and constant pressure output minimize ergonomic strain during extended sessions. The backpack-style design further distinguishes it by freeing your hands, which is especially valuable when you’re handling cameras, tools, or delicate underwater gear.\u003c\/p\u003e \u003ch3\u003ePractical tips to maximize performance\u003c\/h3\u003e\n\u003cul\u003e \u003cli\u003ePre-dive assembly: Double-check the regulator-to-body connections and ensure the pressure gauge is functional before entering the water.\u003c\/li\u003e \u003cli\u003eGauge check: Use the extension tube to monitor remaining gas quickly—plan your dive around a conservative gas margin.\u003c\/li\u003e \u003cli\u003eDepth considerations: Deeper dives and colder temperatures can reduce available bottom time; anticipate conservative air usage in challenging conditions.\u003c\/li\u003e \u003cli\u003eMaintenance: Rinse the cylinder and regulator with fresh water after saltwater use to preserve the corrosion-resistant finish and extend life.\u003c\/li\u003e \u003cli\u003eStorage: Keep the cylinder in a cool, dry place away from direct sunlight to maintain material integrity and regulator performance.\u003c\/li\u003e\n\u003c\/ul\u003e \u003cp\u003eIncluded with purchase is the TUDIVING S700Plus mini scuba cylinder. Note that the regulator is shipped separately and requires user assembly; refer to the main product pictures for details on the exact configuration. If you have questions after delivery, you can contact us anytime—lifetime support is available to ensure you get the most from your cylinder.\u003c\/p\u003e \u003cp\u003eWhether you’re chasing underwater photography breakthroughs, exploring wrecks, or performing routine maintenance below the surface, the TUDIVING S700Plus combines portability, reliability, and thoughtful design to help you dive longer, dive smarter, and dive with confidence.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"BullseyeSportingGoods","offers":[{"title":"2L B1 Black \/ United States","offer_id":43100167798873,"sku":"14:29#2L B1 Black;200007763:201336106","price":336.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0718\/1700\/3097\/files\/Sadf5940491174f13bc740b234a1dc4a5J.webp?v=1772135567","url":"https:\/\/bullseyesportinggoods.com\/products\/tudiving-2l-portable-scuba-tank-support-30-45-minutes-breath-refillable-diving-tank-for-underwater-works","provider":"BullseyeSportingGoods","version":"1.0","type":"link"}