{"product_id":"tag-30-straight-tube-50x7mm-18-14mm-downstem-4-00","title":"TAG - 30\" Straight Tube 50x7MM - 18\/14MM Downstem (4.00\")","description":"\u003cp\u003eThe TAG 30\" Straight Tube is a full-size borosilicate water pipe built around one idea: a long, straight column of water and air for a big, clean draw. The tube is made from 50MM diameter glass with heavy 7MM walls, genuinely thick-wall borosilicate that resists thermal stress and the knocks a tall tube invites. A straight tube pulls with low drag, so the draw stays fast and open from the base to the mouthpiece.\u003c\/p\u003e\u003cp\u003eThe joint is an 18MM female, and it runs a removable 18\/14MM reducing downstem. That downstem seats an 18MM male end into the pipe and presents a 14MM female end, so it accepts a 14MM male slide and diffuses the pull below the waterline for cooling before it climbs the tube. Because the downstem lifts out, it is easy to clean and simple to replace. Downstems vary about a quarter inch, so measure your piece before ordering a spare. The sandblasted logo is etched into the glass, so it will not fade with repeated cleaning.\u003c\/p\u003e\u003cp\u003eIt ships with a matching glass slide. Accessories may be taped inside the bubble wrap, so check the wrapping fully before reporting a missing item. Avoid thermal shock: no boiling or freezing water, let the glass reach room temperature between extremes, and never torch the glass.\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eType:\u003c\/strong\u003e Straight tube water pipe (removable downstem)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eJoint size:\u003c\/strong\u003e 18MM female, accepts the included 18\/14MM downstem\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDownstem:\u003c\/strong\u003e 18\/14MM reducing, 4.00\", accepts a 14MM male slide\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGlass thickness:\u003c\/strong\u003e 50MM diameter tube with 7MM walls\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHeight:\u003c\/strong\u003e 30\" (slight variance)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFinish:\u003c\/strong\u003e Sandblasted logo (permanent)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eIncluded:\u003c\/strong\u003e Matching glass slide\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!--tag-sections--\u003e\n\u003ch3\u003eDownstem Fitment Note\u003c\/h3\u003e\n\u003cp\u003eInsert lengths can vary slightly between units (±¼–½\"). When purchasing replacements, always measure your insert length first.\u003c\/p\u003e\n\u003cp\u003eSee the 👉 \u003ca href=\"\/pages\/downstem-size-guide\"\u003eDownstem Sizing \u0026amp; Measurement Guide\u003c\/a\u003e.\u003c\/p\u003e\n\u003ch3\u003eMade To Order (MTO)\u003c\/h3\u003e\n\u003cp\u003eWant a specific color, label, or joint style? TAG offers a long-standing Made To Order program for custom configurations and restock requests.\u003c\/p\u003e\n\u003cp\u003eLearn more at 👉 \u003ca href=\"\/pages\/made-to-order-mto\"\u003eMade To Order (MTO)\u003c\/a\u003e or email info@thickassglass.com with your request.\u003c\/p\u003e\n\u003ch3\u003eFree 2-Year Limited Warranty\u003c\/h3\u003e\n\u003cp\u003eQualifying 1st Quality TAG glass purchased from thickassglass.com or shop.thickassglass.com on or after October 15, 2026 includes a Free 2-Year Limited Warranty. One eligible replacement within two years after delivery is 65% off MSRP (you pay 35% of MSRP), plus shipping \u0026amp; handling. Quartz, lower-grade items and other brands are excluded. \u003ca href=\"\/pages\/warranty-protection-plan\"\u003eFull warranty terms and earlier paid-plan coverage\u003c\/a\u003e.\u003c\/p\u003e\n","brand":"Thick Ass Glass","offers":[{"title":"Wavy Sandblasted Logo - Clear .01","offer_id":68400208085216,"sku":"F18.14-WP-428T-3668C-Sd.01.1","price":239.99,"currency_code":"USD","in_stock":true},{"title":"Wavy Sandblasted Logo - Clear .01 (2nd Quality)","offer_id":68400208117984,"sku":"F18.14-WP-428T-3668C-Sd.01.1 (2nd Quality)","price":174.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/2108\/6013\/files\/F18.14-WP-428T-3668C-Sd.01.1_5.jpg?v=1793586122","url":"https:\/\/glasscitypipes.com\/products\/tag-30-straight-tube-50x7mm-18-14mm-downstem-4-00","provider":"Glass City Pipes","version":"1.0","type":"link"}