United Scientific® 8 mL Disposable Borosilicate Glass Culture Tubes with Screw-Cap Finish – Pack of 1000

{ "44261956518024": { "extra_description": "The United Scientific® 8 mL Disposable Culture Tubes with screw-cap finish are precision-crafted from Type I, Class B 5.1 expansion borosilicate glass, meeting USP and ASTM standards. Designed for reliable performance in microbiology, chemistry, and clinical laboratories, these tubes are heat-treated at over 500°C for enhanced strength and contamination prevention. Each tube features a smooth, rounded bottom, polished top edges, and a chevron-shaped white enamel marking spot for easy labeling. Threaded necks fit phenolic screw caps (sold separately), making these tubes ideal for secure sample storage, culturing, and transport." }, "44261956550792": { "extra_description": "The United Scientific® 12 mL Disposable Culture Tubes offer precision manufacturing and exceptional durability for laboratory applications. Constructed from Type I, Class B borosilicate glass, these tubes meet USP and ASTM requirements for chemical resistance and performance. Heat-treated at over 500°C, they resist breakage and minimize contamination. Each tube features uniform dimensions, smooth polished edges, and a chevron-shaped white marking spot for easy identification. Threaded necks fit phenolic screw caps (sold separately), ensuring secure closure for storage, transport, or culturing." }, "44261956583560": { "extra_description": "Built for laboratory reliability, the United Scientific® 16 mL Disposable Culture Tubes are made from premium Type I, Class B borosilicate glass, delivering outstanding resistance to heat and chemicals. Each tube undergoes heat treatment at over 500°C to improve strength and reduce contamination risk. The uniform design includes a rounded bottom, polished top edge, and chevron-shaped white marking spot for labeling. Threaded necks are compatible with phenolic screw caps (sold separately), making these tubes ideal for microbiology, sample storage, and experimental work." }, "44261956616328": { "extra_description": "The United Scientific® 20 mL Disposable Culture Tubes are engineered for consistent performance in research, clinical, and educational laboratories. Made from Type I, Class B borosilicate glass, these tubes meet USP and ASTM specifications for chemical resistance and clarity. Each tube is heat-treated at over 500°C for strength and to prevent contamination. The uniform design features smooth polished tops, rounded bottoms, and a chevron-shaped white enamel marking spot for easy labeling. Threaded necks fit phenolic screw caps (sold separately) for secure sample containment." }, "44261956649096": { "extra_description": "The United Scientific® 30 mL Disposable Culture Tubes are designed for high-capacity laboratory applications, offering durability, clarity, and chemical resistance. Manufactured from Type I, Class B borosilicate glass, these tubes meet USP and ASTM E438 standards. Each tube is heat-treated at over 500°C to strengthen the glass and minimize contamination risk. The precision construction features smooth polished tops, rounded bottoms, and a chevron-shaped white enamel marking spot for easy sample identification. Threaded necks fit phenolic screw caps (sold separately), making them perfect for secure sample storage, culturing, and transport." }, "44261956681864": { "extra_description": "United Scientific® 33 mL Disposable Culture Tubes provide maximum capacity and robust performance for laboratory use. Made from Type I, Class B 5.1 expansion borosilicate glass, these tubes meet strict USP and ASTM standards for durability and chemical resistance. Each tube is heat-treated at over 500°C to prevent contamination and improve glass strength. The design includes smooth polished tops, rounded bottoms, and a chevron-shaped white enamel marking spot for labeling. Threaded necks accept phenolic screw caps (sold separately) for secure sample containment." }, "44261956714632": { "extra_description": "The United Scientific® 13-415 Screw Caps with bonded rubber liners provide a secure, leak-resistant seal for compatible threaded culture tubes. Designed for durability and chemical resistance, these phenolic caps ensure reliable closure for sample storage, transport, and incubation. The bonded rubber liner enhances sealing performance while preventing contamination. Ideal for use with matching United Scientific® borosilicate glass culture tubes, these caps are a trusted choice for laboratories in microbiology, chemistry, and clinical research." }, "44261956747400": { "extra_description": "The United Scientific® 15-415 Screw Caps with bonded rubber liners are engineered for secure sealing of compatible threaded culture tubes. Made from durable phenolic material, these caps resist chemicals and maintain a tight, leak-resistant fit. The bonded rubber liner improves sealing performance and prevents sample contamination. Perfect for laboratories in microbiology, chemistry, and clinical applications, these caps are designed to fit United Scientific® culture tubes with matching 15-415 threads." }, "44261956780168": { "extra_description": "United Scientific® 18-415 Screw Caps with bonded rubber liners provide a secure and leak-resistant seal for larger threaded culture tubes. Constructed from high-quality phenolic material, these caps are chemical-resistant and built for long-lasting laboratory use. The bonded rubber liner ensures a tight seal, helping to protect samples from leaks and contamination. Designed for compatibility with United Scientific® glass culture tubes featuring 18-415 threads, these caps are ideal for storage, transport, and experimental work." } }

{ "44261956518024": { "extra_keyfeatures": "8 mL overflow volume borosilicate glass culture tubes Type I, Class B glass meets USP & ASTM E438 standards Heat-treated for durability and contamination control Rounded bottoms and polished tops with smooth edges Chevron-shaped marking spot for easy sample labeling" }, "44261956550792": { "extra_keyfeatures": "12 mL overflow volume, precision-made borosilicate glass USP Type I, ASTM E438 Class B compliant Heat-treated for enhanced durability and contamination prevention Smooth polished tops and rounded bottoms White chevron marking spot for quick labeling" }, "44261956583560": { "extra_keyfeatures": "16 mL overflow volume culture tubes for lab use High-quality Type I, Class B borosilicate glass Heat-treated at 500°C for strength and purity Smooth polished tops and rounded bottoms Chevron marking spot for quick sample identification" }, "44261956616328": { "extra_keyfeatures": "20 mL overflow volume, precision borosilicate glass tubes USP Type I, ASTM Class B compliant for lab quality Heat-treated for extra durability and contamination control Smooth polished tops and rounded bottoms for safety Chevron-shaped marking spot for labeling" }, "44261956649096": { "extra_keyfeatures": "30 mL overflow volume borosilicate glass culture tubes Meets USP Type I and ASTM E438 Class B requirements Heat-treated at 500°C for enhanced strength and purity Smooth polished tops and rounded bottoms for safety White chevron marking spot for labeling" }, "44261956681864": { "extra_keyfeatures": "33 mL overflow volume, large-capacity culture tubes Premium Type I, Class B borosilicate glass construction Heat-treated for durability and contamination prevention Smooth polished tops and rounded bottoms White chevron marking spot for sample identification" }, "44261956714632": { "extra_keyfeatures": "13-415 thread finish screw caps with bonded rubber liner Provides leak-resistant sealing for culture tubes Durable phenolic cap construction for lab use Chemical-resistant and contamination-preventing design Compatible with United Scientific® glass culture tubes" }, "44261956747400": { "extra_keyfeatures": "15-415 thread finish screw caps for culture tubes Bonded rubber liner for enhanced sealing Durable phenolic cap construction for lab environments Leak-resistant and contamination-preventing design Fits United Scientific® glass culture tubes" }, "44261956780168": { "extra_keyfeatures": "18-415 thread finish screw caps with bonded rubber liner Ensures leak-resistant closure for large culture tubes Durable phenolic construction resists chemicals Bonded rubber liner prevents contamination Designed to fit United Scientific® threaded glass tubes" } }