• Power Range: 140W–300W
• Type: Upper Hemispherical
• Important: Temperature Controller is Required
• Availability: Usually ships in 2-3 Days
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• Click Here for Installation Instructions

• Prevents vapor condensation in the upper half of the flask for more efficient reactions
• Safe, consistent alternative to open-flame heating methods like a bunsen burner
• Open-top design accommodates 1-, 2-, or 3‑neck flasks on a ring stand
• Uniform, low-watt density heat distribution protects glassware and contents

• Durable fiberglass cloth outer shell with knitted and braided heating element
• Operating temperatures up to 900°F (482°C)
• Multi-stranded resistance wire for increased durability and flexibility
• Plug-and-play convenience
• Plugs into standard outlet:
• 120VAC: 3" (76mm) lead wire with NEMA L1-15R connector and 4 ft (1.2m) power adaptor cord with NEMA 1-15 plug
• 240VAC: 3" (76mm) bare wire connection
• Temperature controller required

Ideal for laboratories seeking reliable upper mantle heating for distillation heads, fractionating columns, and multi-neck flasks. These lab mantle heaters deliver stable, uniform heat to maintain vapor paths, improve condensate control, and enhance process efficiency.