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12 Pcs 3 Inch Borosilicate Glass Tubes, 12mm Diameter 1.5mm Thickness Glass Tubing, Fire Polished Smooth Edges with Cleaning Brush for Lab & DIY Crafts - size: 3 inches

12 Pcs 3 Inch Borosilicate Glass Tubes, 12mm Diameter 1.5mm Thickness Glass Tubing, Fire Polished Smooth Edges with Cleaning Brush for Lab & DIY Crafts - size: 3 inches

Regular price $16.53 USD
Regular price Sale price $16.53 USD
Sale Sold out
Taxes included. Shipping calculated at checkout.

About this item

  • Exact Dimensions & Smooth Edges: Each straight hollow cylinder is precisely 3 inches long with a 12mm Outer Diameter (OD) and a heavy-duty 1.5mm thick wall (approx 9mm Inner Diameter), featuring expertly fire-polished ends to ensure completely smooth, chip-free edges for safe handling
  • Premium Borosilicate Glass: Crafted from high-grade borosilicate material, these clear hollow tubes deliver exceptional high temp resistance and thermal shock stability, reliably withstanding rapid temperature changes without cracking for heavy-duty daily use
  • 12-Pack Value Kit With Cleaning Brush: Maximize your value with an ample supply of 12 identical glass blanks, complete with a custom-fitted soft bristle cleaning brush that makes it incredibly easy to scrub away inside residue, buildup, or dust to keep your glass crystal-clear
  • Versatile DIY & Lab Components: Perfectly sized for a wide variety of practical and creative applications, serving excellently as custom laboratory connectors, scientific replacement parts, miniature craft parts, wind chime spacers, or DIY components
  • Secure Packaging & Satisfaction Guarantee: We understand the frustration of receiving broken glass, so our tubes are packed with upgraded protection to prevent transit damage; buy with confidence as our customer service team is ready to provide a fast replacement or refund if any piece arrives cracked

Overview

  • Brand: Gtysmox
  • Material: Borosilicate Glass
  • Color: Clear
  • Product Dimensions: 3"L x 0.47"W
  • Item Weight: 4.8 ounces
  • Nominal Wall Thickness: 1.5 millimeters
  • Outside Diameter: 12 millimeters
  • Item Length: 3 inches
  • UPC: 736482567310
  • Manufacturer: Gtysmox
Quantity

15 in stock

View full details
  • ⭐⭐⭐⭐⭐

    Megan Foster — Portland, Oregon

    GlassGarden made it easy to find supplies for several indoor plant projects in one place. The product information was clear, everything arrived carefully packed, and the overall shopping experience felt simple and well organized.

  • ⭐⭐⭐⭐⭐

    Daniel Kim — Austin, Texas

    I enjoyed browsing the selection because there were options for both small beginner projects and more detailed setups. The items were easy to understand, matched their descriptions, and worked well for what I had planned.

  • ⭐⭐⭐⭐⭐

    Lauren Bennett — Denver, Colorado

    My order arrived in good condition and was packed with care. I especially appreciated how straightforward the store was to navigate and how easy it was to compare different sizes, materials, and styles before deciding.

  • ⭐⭐⭐⭐⭐

    Jason Miller — Seattle, Washington

    The products I selected fit naturally into my indoor gardening routine. Everything felt practical and thoughtfully presented, and I found several useful ideas for future projects while exploring the store.

FAQ

What types of products does GlassGarden sell?

GlassGarden offers terrariums, terrarium kits, propagation accessories, build materials, miniature garden décor, succulent and cactus supplies, bonsai accessories, indoor plant-care products, and bioactive habitat supplies. Product availability may change as our selection is updated.

Are live plants included with terrariums, pots, or propagation products?

Plants and decorative materials shown in product images may be used for styling purposes. Live plants, moss, substrate, stones, tools, and decorations are included only when specifically listed in the product description or package contents. Please review the complete product details before ordering.

Are your terrarium kits suitable for beginners?

Many of our kits and accessories are suitable for first-time terrarium builders. Because contents and assembly requirements vary, please review the product description, included components, dimensions, and care requirements to determine whether a particular item suits your experience and project.

How do I know whether a product will fit my terrarium or plant setup?

Check the dimensions, capacity, materials, opening size, mounting method, and compatibility information provided on the product page. Measure your existing container or setup before purchasing. If compatibility is unclear, contact us before placing your order.

How much does shipping cost?

Applicable shipping charges are displayed during checkout before payment is completed. Costs may vary depending on the order, destination, available delivery method, or promotional terms. Any applicable duties, taxes, or import charges will be shown when available or assessed according to local requirements.

How long does order processing and delivery take?

Processing and estimated delivery times may vary by product, destination, carrier availability, and other circumstances. Any available delivery estimate will be shown during checkout or in your shipping confirmation. Carrier delays, weather, customs procedures, and peak-season demand may affect delivery.

How can I track my order?

When tracking information becomes available, it will be sent to the email address used for your order. Please allow time for the carrier’s tracking system to update. If you have not received tracking information, check your spam folder before contacting us.

Can I change or cancel my order?

Contact us as soon as possible if you need to request a change or cancellation. We will try to help, but changes and cancellations cannot be guaranteed once an order has entered processing or shipment preparation. Orders that have already shipped must follow our Return & Refund Policy.

What should I do if my order arrives damaged, defective, or incorrect?

Contact us promptly and provide your order number, a description of the issue, and clear photographs of the item, packaging, and shipping label. Keep the product and all original packaging until we review your request. Please do not discard, alter, install, or use the affected item before receiving instructions.

How can I contact GlassGarden customer support?

You can contact us by email at demliaterlsa@gmail.com or by phone at +1 (936) 260-5549. Please include your full name, order number, and a clear description of your question so we can assist you efficiently.