{"product_id":"filter-flask-borosilicate-glass-side-arm-globe-scientific","title":"Filter Flask Borosilicate Glass Side Arm Vacuum | Globe Scientific","description":"\u003cp\u003eDesigned for demanding vacuum filtration workflows, this \u003cstrong\u003efilter flask\u003c\/strong\u003e features heavy-wall borosilicate glass construction with an integral barbed side arm for secure vacuum line connections. Manufactured to ASTM E1404 standards, each flask withstands the pressure differentials encountered during Buchner funnel filtration without compromising structural integrity. Dual graduated markings provide accurate volume measurement from both sides of the flask.\u003c\/p\u003e\n\n\u003ch2\u003eFilter Flask Features and Benefits\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Heavy-wall borosilicate glass 3.3 — resists thermal shock and chemical attack\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eStandard:\u003c\/strong\u003e ASTM E1404 — verified dimensional accuracy and glass quality\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSide Arm:\u003c\/strong\u003e Integral barbed tube for secure vacuum hose attachment without adapters\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eGraduations:\u003c\/strong\u003e Dual white enamel markings for easy volume reading from any angle\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSizes:\u003c\/strong\u003e Available in 25mL through 1000mL to suit micro-scale through standard workflows\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eAvailable Sizes and Pack Quantities\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;border:1px solid #ddd;margin:1em 0\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003eSKU\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003eVolume\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003ePack Size\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e8450025\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e25mL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eBox of 6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e8450025\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e25mL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eCase of 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e8450050\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e50mL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eBox of 6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e8450050\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e50mL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eCase of 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e8450125\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e125mL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eBox of 6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e8450125\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e125mL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eCase of 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e8450250\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e250mL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eBox of 6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e8450250\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e250mL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eCase of 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e8450500\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e500mL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eBox of 6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e8450500\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e500mL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eCase of 3\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e8451000\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e1000mL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eBox of 6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e8451000\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003e1000mL\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eCase of 2\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eLaboratory Applications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eVacuum filtration with Buchner funnels for precipitate collection and solvent removal\u003c\/li\u003e\n\u003cli\u003eSuction filtration of crystallized products in organic chemistry synthesis\u003c\/li\u003e\n\u003cli\u003eEnvironmental water sample filtration for suspended solids analysis\u003c\/li\u003e\n\u003cli\u003eVacuum-assisted solvent degassing for HPLC mobile phase preparation\u003c\/li\u003e\n\u003cli\u003eVacuum trapping in distillation and evaporation apparatus setups\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eQuality Assurance and Compliance\u003c\/h2\u003e\n\u003cp\u003eGlobe Scientific filter flasks are manufactured from borosilicate glass 3.3 conforming to ASTM E1404 and ISO 3585 standards. Heavy-wall construction provides a safety margin for vacuum service, while the integral side arm eliminates potential leak points found in detachable designs. Each flask is annealed to relieve internal stress and inspected for optical clarity and dimensional accuracy before packaging.\u003c\/p\u003e\n\n\u003ch2\u003eFilter Flask Comparison: Why Choose Globe Scientific?\u003c\/h2\u003e\n\u003ctable style=\"width:100%;border-collapse:collapse;border:1px solid #ddd;margin:1em 0\"\u003e\n\u003cthead\u003e\u003ctr\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003eFeature\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003eGlobe Scientific 845 Series\u003c\/th\u003e\n\u003cth style=\"border:1px solid #ddd;padding:8px 12px;background:#f5f5f5;text-align:left;font-weight:600\"\u003eTypical Competitor\u003c\/th\u003e\n\u003c\/tr\u003e\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eGlass Type\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eBorosilicate 3.3\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eBorosilicate (grade varies)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eStandard\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eASTM E1404\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eOften unlisted\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eWall Thickness\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eHeavy wall for vacuum\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eStandard wall\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003ePricing\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eBelow retail pricing\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eFull retail\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eShips From\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eUSA inventory\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eVaries\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eAuthorized Dealer\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eYes\u003c\/td\u003e\n\u003ctd style=\"border:1px solid #ddd;padding:8px 12px\"\u003eOften third-party\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch2\u003eVolume Discounts and Institutional Pricing\u003c\/h2\u003e\n\u003cp\u003eLabSupplies.com offers tiered quantity pricing for academic and research institutions. As an authorized dealer, we ship directly from USA inventory.\u003c\/p\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003ch3\u003eWhat is a filter flask used for in a laboratory?\u003c\/h3\u003e\n\u003cp\u003eA filter flask connects to a vacuum source through its side arm to accelerate liquid filtration. Paired with a Buchner funnel and filter paper, the vacuum draws filtrate through the membrane while retaining solids. Globe Scientific filter flasks feature heavy-wall borosilicate glass rated for full vacuum service.\u003c\/p\u003e\n\n\u003ch3\u003eCan borosilicate filter flasks be autoclaved?\u003c\/h3\u003e\n\u003cp\u003eYes, borosilicate glass 3.3 withstands autoclave conditions at 121°C and 15 psi for standard sterilization cycles. Ensure gradual temperature transitions to prevent thermal shock. Globe Scientific 845 series flasks meet ASTM E1404 thermal resistance requirements for repeated autoclave use.\u003c\/p\u003e\n\n\u003ch3\u003eWhat sizes of filter flasks does LabSupplies.com carry?\u003c\/h3\u003e\n\u003cp\u003eLabSupplies.com stocks Globe Scientific filter flasks in six sizes: 25mL (8450025), 50mL (8450050), 125mL (8450125), 250mL (8450250), 500mL (8450500), and 1000mL (8451000). All sizes are available in box and case quantities at below retail pricing.\u003c\/p\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\":\"https:\/\/schema.org\/\",\"@type\":\"Product\",\"name\":\"Filter Flask Borosilicate Glass Side Arm Vacuum | Globe Scientific\",\"description\":\"Heavy-wall borosilicate glass filter flask with integral side arm for vacuum filtration.\",\"sku\":\"8450250\",\"mpn\":\"8450250\",\"brand\":{\"@type\":\"Brand\",\"name\":\"Globe Scientific\"},\"manufacturer\":{\"@type\":\"Organization\",\"name\":\"Globe Scientific\"},\"offers\":{\"@type\":\"AggregateOffer\",\"url\":\"https:\/\/labsupplies.com\/products\/filter-flask-borosilicate-glass-side-arm-globe-scientific\",\"priceCurrency\":\"USD\",\"lowPrice\":\"209.40\",\"highPrice\":\"822.80\",\"offerCount\":\"12\",\"availability\":\"https:\/\/schema.org\/InStock\",\"seller\":{\"@type\":\"Organization\",\"name\":\"LabSupplies.com\"}},\"material\":\"Borosilicate Glass 3.3\"}\n\u003c\/script\u003e\n\u003cscript type=\"application\/ld+json\"\u003e\n{\"@context\":\"https:\/\/schema.org\",\"@type\":\"FAQPage\",\"mainEntity\":[{\"@type\":\"Question\",\"name\":\"What is a filter flask used for in a laboratory?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"A filter flask connects to a vacuum source through its side arm to accelerate liquid filtration using a Buchner funnel and filter paper.\"}},{\"@type\":\"Question\",\"name\":\"Can borosilicate filter flasks be autoclaved?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"Yes, borosilicate glass 3.3 withstands autoclave conditions at 121°C and 15 psi for standard sterilization cycles.\"}},{\"@type\":\"Question\",\"name\":\"What sizes of filter flasks does LabSupplies.com carry?\",\"acceptedAnswer\":{\"@type\":\"Answer\",\"text\":\"LabSupplies.com stocks Globe Scientific filter flasks in 25mL, 50mL, 125mL, 250mL, 500mL, and 1000mL sizes.\"}}]}\n\u003c\/script\u003e","brand":"Globe Scientific","offers":[{"title":"25mL - Box of 6","offer_id":48059368603880,"sku":"8450025","price":209.4,"currency_code":"USD","in_stock":true},{"title":"25mL - Case of 3","offer_id":48059368636648,"sku":"'8450025-CASE","price":481.6,"currency_code":"USD","in_stock":true},{"title":"50mL - Box of 6","offer_id":48059368669416,"sku":"8450050","price":215.5,"currency_code":"USD","in_stock":true},{"title":"50mL - Case of 3","offer_id":48059368702184,"sku":"'8450050-CASE","price":496.2,"currency_code":"USD","in_stock":true},{"title":"125mL - Box of 6","offer_id":48059368734952,"sku":"8450125","price":220.3,"currency_code":"USD","in_stock":true},{"title":"125mL - Case of 3","offer_id":48059368767720,"sku":"'8450125-CASE","price":508.3,"currency_code":"USD","in_stock":true},{"title":"250mL - Box of 6","offer_id":48059368800488,"sku":"8450250","price":245.7,"currency_code":"USD","in_stock":true},{"title":"250mL - Case of 3","offer_id":48059368833256,"sku":"'8450250-CASE","price":568.7,"currency_code":"USD","in_stock":true},{"title":"500mL - Box of 6","offer_id":48059368866024,"sku":"8450500","price":314.7,"currency_code":"USD","in_stock":true},{"title":"500mL - Case of 3","offer_id":48059368898792,"sku":"'8450500-CASE","price":726.0,"currency_code":"USD","in_stock":true},{"title":"1000mL - Box of 6","offer_id":48059368931560,"sku":"8451000","price":534.9,"currency_code":"USD","in_stock":true},{"title":"1000mL - Case of 2","offer_id":48059368964328,"sku":"'8451000-CASE","price":822.8,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0694\/5361\/1240\/files\/file_eae6b47c-89ee-4c8e-b64a-13f431d2353b.jpg?v=1770936844","url":"https:\/\/labsupplies.com\/products\/filter-flask-borosilicate-glass-side-arm-globe-scientific","provider":"LabSupplies.com","version":"1.0","type":"link"}