GSC International TT20-RBC-G3-KT Test Tube Kit– 21-Hole Rack for 20mm Tubes, 72 Glass Test Tubes (18x150mm), 12 Cleaning Brushes, Clamp & Safety Goggles – Chemistry Essentials Set
Get everything you need for a professional, classroom, or home science setup with this all-in-one laboratory essentials kit. The bundle includes a 21-hole test tube rack that holds tubes up to 20mm in diameter, and 72 borosilicate glass test tubes (18mm x 150mm), perfect for heating, mixing, or chemical experiments.
Cleaning is effortless with 12 natural bristle brushes, sized just right for medium-width tubes. The 5.5-inch nickel-plated clamp offers secure handling of hot or reactive materials, while direct-vent safety goggles protect your eyes without fogging. Whether you're setting up a classroom, performing demonstrations, or building a home lab, this kit delivers on durability, safety, and functionality.
72 Borosilicate Test Tubes – Durable 18x150mm glass tubes withstand heating and cooling, ideal for science labs and experiments.
21-Hole Test Tube Rack – Compact rack fits test tubes up to 20mm in diameter and keeps them upright and organized.
12 Medium Cleaning Brushes – Natural bristle brushes with metal wire handles for effective test tube cleaning and reuse.
Nickel-Plated Steel Clamp – 5.5" long with finger grips for safe, steady handling of test tubes during heating or transfers.
Safety Goggles with Direct Vents – Lightweight eye protection with anti-fog ventilation and full side coverage.
⚠️ Proposition 65 Warning for California Residents:
WARNING: This product may expose you to chemicals including styrene and/or bisphenol A (BPA), which are known to the State of California to cause cancer, birth defects, or other reproductive harm.
For more information, visit www.P65Warnings.ca.gov.