Thorlabs - HT10KR 10 W Metal Ceramic Ring Heater with 10 kΩ Thermistor, 25 mm OD, 20 mm ID
Cast-In-Ring-Heaters
Ring Heaters
1pc Electric Heating Ring Waterproof Cast Aluminum Heating Ring Rotary Temperature Control Heater - Tool Parts - AliExpress
Mica Heater Ring Band Heaters for Plastic Extrusion Blowing Machine - China Stainless Steel Band Heater, Mica Band Heater | Made-in-China.com
Delta MFG - Ring Heaters, Disc Heaters, Mica Ring Heaters, Mica Disc Heaters
Ceramic Insulated (Band) Heaters - Electric Heating Elements - Friedr. Freek GmbH
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Vintage Air 121034 Vintage Air O-Ring Heater Fittings | Summit Racing
Component Technologies, Strip and Ring Heaters, Ring Heaters
The Copper Ring Heater Hot Runner Heater for Heating Mold - China Copper Ring Heater, Copper Heater | Made-in-China.com
Chromalox 136004 Chrome Steel Sheath- Single Heat Ring, A-60, 6-19/32" x 6-19/32" x 5/16", 750W, 240V: Replacement Range Heating Elements: Amazon.com: Tools & Home Improvement