{"product_id":"oase-subflo-diffuser-s","title":"OASE SubFlo Diffuser S – Fine-bubble diffuser for shallow water (SubFlo Base 4 S)","description":"\u003cstyle\u003e.aqp{color:#273a48;line-height:1.6}.aqp h2{font-size:1.3em;margin:30px 0 8px}.aqp .lead{font-size:1.08em}.aqp .tags{display:flex;flex-wrap:wrap;gap:8px;margin:16px 0}.aqp .tags span{background:#eef6e0;color:#3d5a0c;border-radius:20px;padding:5px 12px;font-size:.9em;font-weight:600}.aqp svg{width:100%;height:auto;display:block;margin:14px 0 4px}.aqp .note{font-size:.85em;color:#5f6b72}.aqp .tbl{overflow-x:auto}.aqp table{width:100%;border-collapse:collapse;font-size:.95em;min-width:420px}.aqp th{background:#273a48;color:#fff;padding:10px;text-align:left}.aqp td{padding:9px 10px;border-bottom:1px solid #e3eaee}.aqp tr:nth-child(even) td{background:#f5f9fb}.aqp td.cur{background:#eef6e0;font-weight:700}.aqp .box{background:#eef6e0;border-left:4px solid #88be22;padding:12px 14px;margin:16px 0}.aqp .vid{position:relative;padding-bottom:56.25%;height:0;overflow:hidden;border-radius:8px;margin:14px 0}.aqp .vid iframe{position:absolute;top:0;left:0;width:100%;height:100%;border:0}.aqp .steps{list-style:none;padding:0;counter-reset:s}.aqp .steps li{counter-increment:s;position:relative;padding:3px 0 12px 44px}.aqp .steps li:before{content:counter(s);position:absolute;left:0;top:0;width:30px;height:30px;border-radius:50%;background:#88be22;color:#fff;font-weight:700;text-align:center;line-height:30px}\u003c\/style\u003e\n\u003cdiv class=\"aqp\"\u003e\n\u003cp class=\"lead\"\u003e\u003cstrong\u003eOASE SubFlo Diffuser S\u003c\/strong\u003e is the shallow-water diffuser in the SubFlo range, for ponds, pools and water bodies up to 2 m deep. Placed on the bottom and connected to a SubFlo Base 4 S, it releases air as ultra-fine bubbles along its entire length: oxygen is distributed evenly and the water circulates gently, with reduced energy consumption.\u003c\/p\u003e\n\u003cdiv class=\"tags\"\u003e\n\u003cspan\u003e✓ Shallow water, up to 2 m\u003c\/span\u003e\u003cspan\u003e✓ EPDM diffuser tubing\u003c\/span\u003e\u003cspan\u003e✓ Up to 4,500 L\/h of air\u003c\/span\u003e\u003cspan\u003e✓ Weighted on site with gravel\u003c\/span\u003e\u003cspan\u003e✓ Stainless steel components\u003c\/span\u003e\n\u003c\/div\u003e\n\u003cp class=\"box\"\u003e\u003cstrong\u003eAll-in-one:\u003c\/strong\u003e the \u003ca href=\"\/en\/products\/pack-oase-subflo-4-s\"\u003eSubFlo 4 S pack\u003c\/a\u003e combines the base, 4 S diffusers and the tubing.\u003c\/p\u003e\n\u003ch2\u003eHow the Diffuser S works\u003c\/h2\u003e\n\u003cp\u003eThe air sent by the base passes through an extruded EPDM diffuser tubing. Its design distributes the air evenly along the entire length of the tubing: the ultra-fine bubbles come out everywhere at once, which maximises oxygen exchange and water circulation while limiting the energy required. Its robust thick-walled construction ensures a long service life.\u003c\/p\u003e\n\u003csvg viewbox=\"0 0 480 262\" xmlns=\"http:\/\/www.w3.org\/2000\/svg\" role=\"img\" aria-label=\"SubFlo diagram: the base installed on the bank sends air through a weighted tubing to the diffuser placed on the bottom; the bubbles rise and mix the warm surface water with the oxygen-poor bottom water\"\u003e\u003cpath d=\"M0 78H118L150 240H0Z\" fill=\"#6b4f2e\"\u003e\u003c\/path\u003e\u003cpath d=\"M0 70H120V80H0Z\" fill=\"#88be22\"\u003e\u003c\/path\u003e\u003cpath d=\"M124 82H480V240H152Z\" fill=\"#b9dbe8\"\u003e\u003c\/path\u003e\u003cpath d=\"M126 82H480V140H137Z\" fill=\"#e2f1f6\"\u003e\u003c\/path\u003e\u003cpath d=\"M152 226Q320 216 480 226V240H152Z\" fill=\"#6b4f2e\"\u003e\u003c\/path\u003e\u003crect x=\"20\" y=\"40\" width=\"72\" height=\"30\" rx=\"6\" fill=\"#273a48\"\u003e\u003c\/rect\u003e\u003ccircle cx=\"36\" cy=\"55\" r=\"5\" fill=\"#88be22\"\u003e\u003c\/circle\u003e\u003cpath d=\"M92 56H116Q132 56 140 100L156 212Q160 221 172 221H298\" fill=\"none\" stroke=\"#5f6b72\" stroke-width=\"4\"\u003e\u003c\/path\u003e\u003crect x=\"296\" y=\"214\" width=\"72\" height=\"10\" rx=\"5\" fill=\"#3d5a0c\"\u003e\u003c\/rect\u003e\u003cg fill=\"#fff\" stroke=\"#273a48\" stroke-width=\"1\"\u003e\u003ccircle cx=\"312\" cy=\"202\" r=\"3\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"332\" cy=\"196\" r=\"3\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"352\" cy=\"203\" r=\"3\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"320\" cy=\"180\" r=\"3.5\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"344\" cy=\"172\" r=\"3.5\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"328\" cy=\"152\" r=\"4\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"350\" cy=\"140\" r=\"4\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"318\" cy=\"124\" r=\"4.5\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"340\" cy=\"108\" r=\"4.5\"\u003e\u003c\/circle\u003e\u003ccircle cx=\"326\" cy=\"94\" r=\"5\"\u003e\u003c\/circle\u003e\u003c\/g\u003e\u003cg fill=\"none\" stroke=\"#e07b2a\" stroke-width=\"2.5\"\u003e\u003cpath d=\"M372 98Q436 108 436 162Q434 204 380 210\"\u003e\u003c\/path\u003e\u003cpath d=\"M292 98Q252 110 252 160Q254 200 290 208\"\u003e\u003c\/path\u003e\u003c\/g\u003e\u003cg fill=\"none\" stroke=\"#e07b2a\" stroke-width=\"2.5\"\u003e\u003cpath d=\"M388 204L380 210L389 216\"\u003e\u003c\/path\u003e\u003cpath d=\"M282 202L290 208L282 214\"\u003e\u003c\/path\u003e\u003c\/g\u003e\u003cg font-size=\"14\" fill=\"#273a48\" text-anchor=\"middle\"\u003e\u003ctext x=\"56\" y=\"30\" font-weight=\"700\"\u003eSubFlo Base\u003c\/text\u003e\u003ctext x=\"330\" y=\"72\" font-weight=\"700\"\u003eCirculation of the entire water column\u003c\/text\u003e\u003ctext x=\"196\" y=\"104\"\u003eWarm water\u003c\/text\u003e\u003ctext x=\"202\" y=\"178\"\u003eOxygen-poor\u003c\/text\u003e\u003ctext x=\"202\" y=\"194\"\u003ebottom\u003c\/text\u003e\u003ctext x=\"228\" y=\"256\"\u003eWeighted tubing\u003c\/text\u003e\u003ctext x=\"332\" y=\"256\"\u003eDiffuser\u003c\/text\u003e\u003c\/g\u003e\u003c\/svg\u003e\n\u003cp class=\"note\"\u003eSchematic diagram.\u003c\/p\u003e\n\u003ch2\u003eKey features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eEvenly distributed oxygen\u003c\/strong\u003e: air comes out along the entire length of the diffuser tubing, for healthy conditions in shallow areas.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUltra-fine bubbles\u003c\/strong\u003e: the extruded EPDM tubing ensures optimal gas exchange.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEnergy-efficient\u003c\/strong\u003e: even distribution requires less air to circulate the same surface area.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDurable\u003c\/strong\u003e: thick-walled construction, resistant to deposits and fouling; stainless steel components.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStable on the bottom\u003c\/strong\u003e: supplied empty to reduce weight and shipping costs, it is weighted on site with gravel or sand. A built-in strain relief guides and protects the air tubing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eThe SubFlo system on video\u003c\/h2\u003e\n\u003cdiv class=\"vid\"\u003e\u003ciframe src=\"https:\/\/www.youtube-nocookie.com\/embed\/gV_GUZnaaa0\" title=\"OASE SubFlo – underwater aeration for water bodies\" loading=\"lazy\" allow=\"accelerometer; encrypted-media; gyroscope; picture-in-picture\" allowfullscreen\u003e\u003c\/iframe\u003e\u003c\/div\u003e\n\u003ch2\u003eHow many diffusers for my base?\u003c\/h2\u003e\n\u003cdiv class=\"tbl\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSubFlo base\u003c\/th\u003e\n\u003cth\u003eDepth\u003c\/th\u003e\n\u003cth\u003eDiffusers\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubFlo Base 4 S\u003c\/td\u003e\n\u003ctd\u003eUp to 2 m\u003c\/td\u003e\n\u003ctd class=\"cur\"\u003e2 to 4 Diffuser S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubFlo Base 2 D\u003c\/td\u003e\n\u003ctd\u003e2 to 10 m\u003c\/td\u003e\n\u003ctd\u003e1 to 2 Diffuser D (not the S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSubFlo Base 4 D\u003c\/td\u003e\n\u003ctd\u003e2 to 10 m\u003c\/td\u003e\n\u003ctd\u003e3 to 4 Diffuser D (not the S)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003ch2\u003eInstalling the diffuser\u003c\/h2\u003e\n\u003col class=\"steps\"\u003e\n\u003cli\u003e\n\u003cstrong\u003eWeight it\u003c\/strong\u003e on site with gravel or sand.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eConnect it to its own length of weighted tubing\u003c\/strong\u003e SubFlo Tubing H, cut from the 30 m or 150 m roll, which links it to the base.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePlace it on the bottom\u003c\/strong\u003e, spreading the diffusers across the surface of the pond, then adjust their flow on the base's distribution block.\u003c\/li\u003e\n\u003c\/ol\u003e\n\u003ch2\u003eTechnical specifications\u003c\/h2\u003e\n\u003cdiv class=\"tbl\"\u003e\u003ctable\u003e\n\u003ctr\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003cth\u003eSubFlo Diffuser S\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOASE reference\u003c\/td\u003e\n\u003ctd\u003e99095\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum air flow\u003c\/td\u003e\n\u003ctd\u003e4,500 L\/h\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaximum water depth\u003c\/td\u003e\n\u003ctd\u003e2.00 m\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiffuser tubing\u003c\/td\u003e\n\u003ctd\u003eExtruded EPDM\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (empty)\u003c\/td\u003e\n\u003ctd\u003e2.24 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible base\u003c\/td\u003e\n\u003ctd\u003eSubFlo Base 4 S\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eWater\u003c\/td\u003e\n\u003ctd\u003eFresh water only (not for swimming pools or seawater)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\u003c\/div\u003e\n\u003cp class=\"box\"\u003e\u003cstrong\u003eScope of delivery\u003c\/strong\u003e: 1 SubFlo Diffuser S, supplied empty, to be weighted on site. The base and tubing are sold separately: plan one length of SubFlo Tubing H for this diffuser.\u003c\/p\u003e\n\u003ch2\u003eNot sure how many diffusers you need?\u003c\/h2\u003e\n\u003cp\u003eSend us the surface area, the maximum depth and a photo or plan of your water body at \u003ca href=\"mailto:support@aquipond.com?subject=SubFlo%20sizing\"\u003esupport@aquipond.com\u003c\/a\u003e, or call \u003ca href=\"tel:+3210860354\"\u003e+32 (0)10 86 03 54\u003c\/a\u003e: we will tell you the number of diffusers, their placement and the tubing lengths required.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"Oase Living Water","offers":[{"title":"Default Title","offer_id":55392418660679,"sku":"1038730","price":325.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0570\/2139\/9247\/files\/image_eqq4fbvhhh2gjdhq8da0r6qg56__54328.1785801930.webp?v=1791797209","url":"https:\/\/www.aquipond.com\/en\/products\/oase-subflo-diffuser-s","provider":"Aquipond - Amélioration du biotope en étang ","version":"1.0","type":"link"}