{"product_id":"9mm-3-8","title":"Per Metre - Spa Jet Air Hose Tubing - 10mm aka 3\/8\"","description":"\u003c!-- PRODUCT DESCRIPTION (Shopify) --\u003e\n\u003ch3\u003ePer Metre - Spa Jet Air Hose Tubing - 10mm aka 3\/8\"\u003c\/h3\u003e\u003cul\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003ePhysically Stocked, unlike most \"drop-shipping\" websites.\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cspan style=\"color: rgb(43, 0, 255);\"\u003e\u003cstrong\u003eShipped from VIC, NSW, WA, QLD\u003c\/strong\u003e\u003c\/span\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\u003cdiv class=\"product-description\"\u003e\n\u003cp\u003e\u003cstrong\u003eFlexible 9–10mm (3\/8\" internal diameter) spa air hose\u003c\/strong\u003e used for spa \/ hot tub air lines. Commonly used as the \u003cstrong\u003eair venturi line\u003c\/strong\u003e on the back of spa jet bodies, and also for \u003cstrong\u003eair blower lines\u003c\/strong\u003e. \u003cstrong\u003eSold per metre\u003c\/strong\u003e so you can order the exact length you need.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eCommon spa air line size:\u003c\/strong\u003e 9–10mm (3\/8\" ID) for venturi air to jet bodies\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUsed for:\u003c\/strong\u003e jet venturi air hose, blower airline, manifold-to-jet air runs\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold per metre:\u003c\/strong\u003e order the length you need (continuous length where possible)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIdeal for repairs:\u003c\/strong\u003e replace split, loose, kinked, collapsed, or hardened air line\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eWhat this hose is used for\u003c\/h3\u003e\n\u003cp\u003eThis hose is used on spas and hot tubs to carry \u003cstrong\u003eair (not water)\u003c\/strong\u003e to spa jet bodies. On many jets, the venturi effect draws air through this line to mix air into the water stream. It can also be used as a \u003cstrong\u003eblower line\u003c\/strong\u003e where an air blower feeds air into an air manifold, then out to individual jets.\u003c\/p\u003e\n\u003ch3\u003eSize guide\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eInternal Diameter (ID):\u003c\/strong\u003e 9–10mm (also commonly referred to as \u003cstrong\u003e3\/8\" ID\u003c\/strong\u003e)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e flexible spa air line hose\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSold:\u003c\/strong\u003e per metre\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTip:\u003c\/strong\u003e Spa air line sizes are commonly quoted by \u003cstrong\u003einternal diameter\u003c\/strong\u003e. If you’re unsure, measure the \u003cstrong\u003eoutside diameter of the barb\/tail\u003c\/strong\u003e on the jet body or air manifold and compare to your old hose.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eCommon applications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eJet body \u003cstrong\u003eair venturi line\u003c\/strong\u003e (back of spa jets)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir blower\u003c\/strong\u003e line from blower to air manifold\u003c\/li\u003e\n\u003cli\u003eAir manifold to individual jet air spigots\u003c\/li\u003e\n\u003cli\u003eGeneral replacement of aged or damaged spa air line\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eInstallation notes (important)\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eHose condition:\u003c\/strong\u003e older spa air hose is often \u003cstrong\u003ehardened or stiffened\u003c\/strong\u003e with age.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eUse gentle heat:\u003c\/strong\u003e warm the hose end with a \u003cstrong\u003eheat gun or small blow torch\u003c\/strong\u003e (briefly – \u003cstrong\u003edo not burn or melt it\u003c\/strong\u003e) to soften it and make pushing onto barbs \u003cstrong\u003emuch, much easier\u003c\/strong\u003e.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCut cleanly:\u003c\/strong\u003e use a sharp blade to avoid squashing or deforming the hose end.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePush fully onto the barb:\u003c\/strong\u003e seat the hose past the barb ridges for a proper seal.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003ePVC glue (if used):\u003c\/strong\u003e apply PVC cement to the \u003cstrong\u003emale barb only\u003c\/strong\u003e. \u003cstrong\u003eDo not put PVC glue inside the hose\u003c\/strong\u003e, as it can be pushed forward during installation and create a \u003cstrong\u003eglue plug\u003c\/strong\u003e that partially or fully blocks airflow.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAllow extra length:\u003c\/strong\u003e leave a little slack so the hose isn’t under tension. This helps prevent it \u003cstrong\u003epulling off the barb\u003c\/strong\u003e over time due to gravity, vibration, movement, or the hose stiffening with age.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAvoid kinks:\u003c\/strong\u003e keep gentle bends; tight bends can restrict airflow and reduce venturi performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eClamp if needed:\u003c\/strong\u003e many venturi lines don’t require clamps, but on blower lines or high-vibration setups, a small clamp or zip-tie can help.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir line only:\u003c\/strong\u003e this hose is intended for spa \u003cstrong\u003eair venturi and blower lines\u003c\/strong\u003e, not pressurised water plumbing.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eCommon issues this can help fix\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eNo bubbles \/ weak air draw\u003c\/strong\u003e at jets (split hose, loose connection, kinked line)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHissing air leak\u003c\/strong\u003e behind the spa cabinet\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eInconsistent venturi action\u003c\/strong\u003e due to pinched, hardened, or partially blocked air line\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eAir line popping off\u003c\/strong\u003e jet bodies or manifolds due to shrink\/hardening or lack of slack\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003eHow to order (Sold per metre)\u003c\/h3\u003e\n\u003cp\u003eThis product is \u003cstrong\u003esold per metre\u003c\/strong\u003e. Select the quantity to match the length required.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eQuantity \u003cstrong\u003e1\u003c\/strong\u003e = \u003cstrong\u003e1 metre\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eQuantity \u003cstrong\u003e2\u003c\/strong\u003e = \u003cstrong\u003e2 metres\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003cli\u003eQuantity \u003cstrong\u003e5\u003c\/strong\u003e = \u003cstrong\u003e5 metres\u003c\/strong\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eWe aim to supply in \u003cstrong\u003eone continuous length where possible\u003c\/strong\u003e. If you need it cut into specific lengths (e.g., \u003cstrong\u003e2 x 1.5m\u003c\/strong\u003e), add a note at checkout.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch3\u003eFAQ\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eIs 9–10mm the same as 3\/8\"?\u003c\/strong\u003e\u003cbr\u003eIn spa air hose sizing, \u003cstrong\u003e3\/8\" ID\u003c\/strong\u003e is commonly referred to as approximately \u003cstrong\u003e9–10mm internal diameter\u003c\/strong\u003e. Always confirm by measuring your existing hose or the barb size.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo I need clamps?\u003c\/strong\u003e\u003cbr\u003eMany venturi lines don’t require clamps. However, on blower lines, long runs, or where vibration is present, a small clamp or zip-tie can be a good idea.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I use this for water plumbing?\u003c\/strong\u003e\u003cbr\u003eThis hose is intended for \u003cstrong\u003espa air lines\u003c\/strong\u003e (venturi\/blower). For water plumbing, use pressure-rated spa flex hose or pressure PVC plumbing suited to your application.\u003c\/p\u003e\n\u003cp\u003e\u003cem\u003e Search terms: spa air hose 3\/8 ID, 9mm air line hose, 10mm spa venturi hose, hot tub jet air line, spa blower air hose, spa air manifold hose, flexible spa air tubing per metre. \u003c\/em\u003e\u003c\/p\u003e\n\u003c\/div\u003e","brand":"SXSC","offers":[{"title":"Default Title","offer_id":19359098339385,"sku":"P09MM-1M","price":2.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0372\/5253\/files\/per-metre-spa-jet-air-hose-tubing-10mm-aka-3-8-plumbing-fittings-120.webp?v=1778478728","url":"https:\/\/heaterandspaparts.com.au\/zh-hans\/products\/9mm-3-8","provider":"Heater and Spa Parts","version":"1.0","type":"link"}