{"title":"Retort Rings \u0026 Boss Heads","description":"\u003cp\u003eA retort ring is a circular metal loop on a stem that mounts onto a stand rod, giving a flat support platform for a funnel during filtration or a wire gauze during heating.\u003c\/p\u003e","products":[{"product_id":"retort-ring-with-bosshead","title":"Retort Ring with Bosshead","description":"\u003ch2\u003eRetort Ring with Bosshead\u003c\/h2\u003e\n\u003cp\u003eA Retort ring can be used to hold various different glassware, but it is mainly used for separatory funnels, round bottom flasks and similarly shaped glass.\u003c\/p\u003e\n\u003cp\u003eStainless steel Retort Ring Closed with Bosshead included. Available in a selection of diameter.\u003c\/p\u003e","brand":"smartsciencelabs","offers":[{"title":"Retort Ring.Closed with Bosshead 60mm int.dia","offer_id":43139140845721,"sku":"CH0668A1","price":125.0,"currency_code":"ZAR","in_stock":true},{"title":"Retort Ring.Closed with Bosshead 80mm int.dia","offer_id":43139140812953,"sku":"CH0668B1","price":145.0,"currency_code":"ZAR","in_stock":true},{"title":"Retort Ring.Closed with Bosshead 100mm int.dia","offer_id":40199400882329,"sku":"CH0672C","price":135.64,"currency_code":"ZAR","in_stock":true},{"title":"Retort Ring.Closed with Bosshead 120mm int.dia","offer_id":43139140780185,"sku":"CH0668C1","price":165.0,"currency_code":"ZAR","in_stock":true},{"title":"Retort Ring.Closed with Bosshead 140mm int.dia","offer_id":43139140747417,"sku":"CH0668C2","price":195.0,"currency_code":"ZAR","in_stock":true},{"title":"Retort Ring.Closed with Bosshead 150mm int.dia","offer_id":40199401078937,"sku":"CH0672D","price":179.06,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0569\/3584\/1945\/products\/retort-ring-with-bosshead-799785.png?v=1744789614"},{"product_id":"retort-ring","title":"Retort Ring","description":"\u003ch2\u003eRetort Ring\u003c\/h2\u003e\n\u003cp\u003eA Retort ring can be used to hold various different glassware, but it is mainly used for separatory funnels, round bottom flasks and similarly shaped glass.\u003c\/p\u003e\n\u003cp\u003eStainless steel Retort Ring Closed with stem (no Bosshead included). Available in a selection of diameter.\u003c\/p\u003e","brand":"smartsciencelabs","offers":[{"title":"Retort Ring 60mm dia","offer_id":43458451472537,"sku":"CH0668-60","price":70.0,"currency_code":"ZAR","in_stock":true},{"title":"Retort Ring 80mm dia","offer_id":43458451603609,"sku":"CH0668-80","price":72.0,"currency_code":"ZAR","in_stock":true},{"title":"Retort Ring 100mm dia","offer_id":40199471136921,"sku":"CH0668C","price":85.0,"currency_code":"ZAR","in_stock":true},{"title":"Retort Ring 120mm dia","offer_id":43458451374233,"sku":"CH0668-120","price":95.0,"currency_code":"ZAR","in_stock":true},{"title":"Retort Ring 140mm dia","offer_id":43458451439769,"sku":"CH0668-140","price":115.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0569\/3584\/1945\/products\/retort-ring-101548.jpg?v=1744789505"},{"product_id":"retort-ring-with-bosshead-powder-coated-140mm","title":"Retort Ring with Bosshead - Powder Coated","description":"\u003ch2\u003eRetort Ring with Bosshead - Powder Coated\u003c\/h2\u003e\n\u003cp\u003eA Retort ring can be used to hold various different glassware, but it is mainly used for separatory funnels, round bottom flasks and similarly shaped glass.\u003c\/p\u003e\n\u003cp\u003eMild steel retort ring losed with Bosshead included. Available in a selection of diameter.\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e","brand":"SmartLabs","offers":[{"title":"50mm Diameter Ring","offer_id":44290429878425,"sku":"OM-5215-1","price":65.0,"currency_code":"ZAR","in_stock":true},{"title":"70mm Diameter Ring","offer_id":44290429812889,"sku":"OM-5215-2","price":65.0,"currency_code":"ZAR","in_stock":false},{"title":"120mm Diameter Ring","offer_id":44290429845657,"sku":"OM-5215-4","price":65.0,"currency_code":"ZAR","in_stock":false},{"title":"140mm Diameter Ring","offer_id":44290429780121,"sku":"OM-5215-5","price":75.0,"currency_code":"ZAR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0569\/3584\/1945\/files\/retort-ring-with-bosshead-powder-coated-421371.png?v=1744788761"},{"product_id":"retort-ring-funnel-support-ring-with-bosshead-open-ring-60mm","title":"Retort Ring, Funnel Support Ring with Bosshead - Open Ring","description":"\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eRetort Ring also known as, Funnel Ring, Open-Ring, Support Extension Rings (60mm – 140mm). \u003c\/strong\u003eThe professional-grade \u003cstrong\u003eTop Wire Opening Support Rings\u003c\/strong\u003e feature a specialized open-front slot geometry designed for fast, seamless side-entry placement of glassware. Unlike traditional closed retort rings, these retort rings allow technicians and students to insert or remove filtering funnels, separatory funnels, and liquid-level columns horizontally without disrupting overhead tubing, condensers, or complex chemical distillation setups.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cstrong\u003eComprehensive Multi-Size Fleet:\u003c\/strong\u003e Engineered to snugly hold a massive variety of round-bottom flasks, separation funnels, and filtering columns:\u003c\/li\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"circle\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level2 lfo1; tab-stops: list 72.0pt;\"\u003e\n\u003cstrong\u003e60mm Ring:\u003c\/strong\u003e Ideal for small funnels and micro-chemistry flasks.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level2 lfo1; tab-stops: list 72.0pt;\"\u003e\n\u003cstrong\u003e80mm Ring:\u003c\/strong\u003e Perfectly sized for standard 125ml to 250ml separatory funnels.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level2 lfo1; tab-stops: list 72.0pt;\"\u003e\n\u003cstrong\u003e100mm Ring:\u003c\/strong\u003e Optimized for medium 500ml vessels and filter holders.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level2 lfo1; tab-stops: list 72.0pt;\"\u003e\n\u003cstrong\u003e120mm Ring:\u003c\/strong\u003e Built for larger 1000ml volumetric glassware profiles.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level2 lfo1; tab-stops: list 72.0pt;\"\u003e\n\u003cstrong\u003e140mm Ring:\u003c\/strong\u003e 2000mL to 5000mL Heavy-duty capacity for high-volume lab containers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cstrong\u003ePremium Open-Side Layout:\u003c\/strong\u003e A rigid open ring design that removes the hassle of lifting tall or fragile glassware vertically out of closed loops, significantly reducing accidental breakage.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cstrong\u003eHigh-Grade Metal Composition:\u003c\/strong\u003e Forged from thick, industrial-grade steel wire designed to resist bending, sag, and heavy mechanical weight under load.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cstrong\u003eCorrosion and Heat Resistant Coating:\u003c\/strong\u003e Finished with a protective layer that withstands high lab temperatures, corrosive chemical splashes, acids, and alkaline vapor exposure.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cstrong\u003eIntegrated Support Stem and Bosshead:\u003c\/strong\u003e Each opening ring features a durable extension rod that easily clamps onto standard laboratory upright retort stands.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003eProduct of China\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eRecommended Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSupporting separatory funnels during liquid-liquid extractions, allowing easy stopcock operation and quick side removal.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSuspending Buchner or Hirsch funnels during intensive vacuum filtration setups.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003eHolding fragile volumetric glassware and vertical columns secure within complex university or research distillation lines.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SmartLabs","offers":[{"title":"Open Ring - 60mm","offer_id":48262404800665,"sku":"AKM-H0320-60","price":135.0,"currency_code":"ZAR","in_stock":true},{"title":"Open Ring - 80mm","offer_id":48262404866201,"sku":"AKM-H0320-80","price":185.0,"currency_code":"ZAR","in_stock":true},{"title":"Open Ring - 100mm","offer_id":48262404898969,"sku":"AKM-H0320-100","price":195.0,"currency_code":"ZAR","in_stock":true},{"title":"Open Ring - 120mm","offer_id":48262404931737,"sku":"AKM-H0320-120","price":220.0,"currency_code":"ZAR","in_stock":true},{"title":"Open Ring - 140mm","offer_id":48262404997273,"sku":"AKM-H0320-140","price":285.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0569\/3584\/1945\/files\/retort-ring-funnel-support-ring-with-bosshead-open-ring-9665938.png?v=1783513991"},{"product_id":"retort-ring-funnel-support-ring-open-ring-80mm","title":"Retort Ring, Funnel Support Ring - Open Ring","description":"\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eRetort Ring also known as, Funnel Ring, Open-Ring, Support Extension Rings (60mm – 140mm). \u003c\/strong\u003eThe professional-grade Top Wire Opening Support Rings feature a specialized open-front slot geometry designed for fast, seamless side-entry placement of glassware. Unlike traditional closed retort rings, these retort rings allow technicians and students to insert or remove filtering funnels, separatory funnels, and liquid-level columns horizontally without disrupting overhead tubing, condensers, or complex chemical distillation setups.\u003c\/p\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eSpecifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cstrong\u003eComprehensive Multi-Size Fleet:\u003c\/strong\u003e Engineered to snugly hold a massive variety of round-bottom flasks, separation funnels, and filtering columns:\u003c\/li\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"circle\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level2 lfo1; tab-stops: list 72.0pt;\"\u003e\n\u003cstrong\u003e60mm Ring:\u003c\/strong\u003e Ideal for small funnels and micro-chemistry flasks.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level2 lfo1; tab-stops: list 72.0pt;\"\u003e\n\u003cstrong\u003e80mm Ring:\u003c\/strong\u003e Perfectly sized for standard 125ml to 250ml separatory funnels.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level2 lfo1; tab-stops: list 72.0pt;\"\u003e\n\u003cstrong\u003e100mm Ring:\u003c\/strong\u003e Optimized for medium 500ml vessels and filter holders.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level2 lfo1; tab-stops: list 72.0pt;\"\u003e\n\u003cstrong\u003e120mm Ring:\u003c\/strong\u003e Built for larger 1000ml volumetric glassware profiles.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level2 lfo1; tab-stops: list 72.0pt;\"\u003e\n\u003cstrong\u003e140mm Ring:\u003c\/strong\u003e 2000mL to 5000mL Heavy-duty capacity for high-volume lab containers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cstrong\u003ePremium Open-Side Layout:\u003c\/strong\u003e A rigid open ring design that removes the hassle of lifting tall or fragile glassware vertically out of closed loops, significantly reducing accidental breakage.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cstrong\u003eHigh-Grade Metal Composition:\u003c\/strong\u003e Forged from thick, industrial-grade steel wire designed to resist bending, sag, and heavy mechanical weight under load.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cstrong\u003eCorrosion and Heat Resistant Coating:\u003c\/strong\u003e Finished with a protective layer that withstands high lab temperatures, corrosive chemical splashes, acids, and alkaline vapor exposure.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003e\n\u003cstrong\u003eIntegrated Support Stem:\u003c\/strong\u003e Each opening ring features a durable extension rod. Bosshead is required. A \u003cstrong\u003eRetort Bosshead\u003c\/strong\u003e is the essential connecting link required to fix the \u003cstrong\u003eRetort Ring \u003c\/strong\u003esecurely to an upright retort stand rod.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l1 level1 lfo1; tab-stops: list 36.0pt;\"\u003eProduct of China\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp class=\"MsoNormal\"\u003e\u003cstrong\u003eRecommended Applications\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul style=\"margin-top: 0cm;\" type=\"disc\"\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSupporting separatory funnels during liquid-liquid extractions, allowing easy stopcock operation and quick side removal.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003eSuspending Buchner or Hirsch funnels during intensive vacuum filtration setups.\u003c\/li\u003e\n\u003cli class=\"MsoNormal\" style=\"mso-list: l0 level1 lfo2; tab-stops: list 36.0pt;\"\u003eHolding fragile volumetric glassware and vertical columns secure within complex university or research distillation lines.\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"SmartLabs","offers":[{"title":"Open Ring - 60mm","offer_id":48262405259417,"sku":"AKM-H0300-60","price":68.0,"currency_code":"ZAR","in_stock":true},{"title":"Open Ring - 80mm","offer_id":48262405062809,"sku":"AKM-H0300-80","price":115.0,"currency_code":"ZAR","in_stock":true},{"title":"Open Ring - 100mm","offer_id":48262405095577,"sku":"AKM-H0300-100","price":120.0,"currency_code":"ZAR","in_stock":true},{"title":"Open Ring - 120mm","offer_id":48262405161113,"sku":"AKM-H0300-120","price":135.0,"currency_code":"ZAR","in_stock":true},{"title":"Open Ring - 140mm","offer_id":48262405193881,"sku":"AKM-H0300-140","price":195.0,"currency_code":"ZAR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0569\/3584\/1945\/files\/retort-ring-funnel-support-ring-open-ring-7423514.png?v=1783513990"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0569\/3584\/1945\/collections\/retort-rings-boss-heads-4990070.webp?v=1782036382","url":"https:\/\/smartlabs.co.za\/collections\/retort-rings-boss-heads.oembed","provider":"SmartLabs","version":"1.0","type":"link"}