All pieces of these kits are made in our ISO 9001 approved Factories and meet the strict quality requirements of ASTM E438, Type 1, Class A, the North American Quality & Safety Standard that requires of it's sellers. Kit Includes: 2-2000ml Round Bottom Flask, 3- Neck, Heavy Wall, 24/40; 2-1000ml Round Bottom Flask, 2-Neck, Heavy Wall, 24/40; 2-1000ml Round Bottom Flask, Single Neck, Heavy Wall, 24/40; 2-500ml Round Bottom Flask, Single Neck, Heavy Wall, 24/40; 2-250ml Round Bottom Flask, Single Neck, Heavy Wall, 24/40; 2-Graham Condenser, 300mm, 24/40; 2-West Condenser, 300mm, 24/40; 2-Vigreux Distillation Column, 400mm, 24/40; 2-Allihn Condenser, 300mm, 24/40; 2-Separatory Funnel, 250ml with 24/40 top & bottom joints; 2-Claisen Adapter, 24/40; 2-Parallel Joints Distillation Adapter, 24/40; 2-Three-way Thermometer Adapter w/ O-ring & Screw cap, 24/40; 2-Vacuum Take-off Adapter, 24/40, 105° bend; 2-Three Way Connecting Adapter, 75° bend, 24/40; 10-Penny Head SOLID Glass Stoppers, 24/40; 20-Plastic Keck Clamps, 24/40; 2-Pack of 100 strips pH paper. All Pieces are made of Low Expansion Borosilicate Glass and meets ASTM Specification E438, Type 1, Class A, the North American Quality & Safety Standard that requires of its sellers; the Chinese manufacturers do NOT meet these standards.
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