heating mantle for round bottom flasks

{"cid":"91226426","title":"280\u00b0C Digital Magnetic Stirrer Heating Mantle for Round-Bottom Flasks","imgUrl":"https:\/\/img.chinax.com\/nimg\/a2\/24\/64242683c46b8ec56ba4a4992c42-200x200-1.jpg","attrs":{"Price":"220-235USD","Brand Name":"YUKEY","Model Number":"MS-H280-F100\/250\/500\/1000","Minimum Order Quantity":"5 pieces","Delivery Time":"15 days","Temperature Monitoring":"External Temperature Probe","Certification":"CE&ISO","Packaging Details":"carton","Display Type":"LCD Digital Display","Maximum Temperature":"280\u00b0C","Payment Terms":"L\/C,T\/T","Compatible Vessel":"Round-Bottom Flask","Maximum Stirring Speed":"1500 rpm","Heating Mantle Material":"Aluminum Silicate Fiber","Motor Type":"Brushless DC Motor","Place of Origin":"Shanghai, China","Safety Protection":"Overtemperature Protection and Residual Heat Warning","Available Capacities":"100 \/ 250 \/ 500 \/ 1000 mL","Supply Ability":"1000pcs\/month","Product Type":"Digital Magnetic Stirrer Heating Mantle"}}

{"cid":"91221235","title":"Round Bottom Flask Heater with Temperature Controller and 400*400*320mm Insulation Layer","imgUrl":"https:\/\/img.chinax.com\/nimg\/d7\/39\/01eb1f89bcb92a2b5b3281305569-200x200-1.jpg","attrs":{"Price":"$100.00\/sets 1-19 sets","Brand Name":"shenlan","Model Number":"98-II-C-5000ml","Warranty":"1 year","Classification":"Laboratory Heating Equipments","Customized support":"OEM, ODM","Place of Origin":"Henan, China","Size":"400*400*320mm","Material":"thermal insulation material","Weight":"9.5kg","Voltage":"200~240V","Capacity(ml)":"5000","Surface Max. Temp":"450\u00b0C","Heating Mode":"Surface heat-conduction","Temperature control range":"RT+20~250 \u00b0C","Heating element":"Nichrome wire","Shell(Insulation Layer)":"High quality aluminum silicate cotton","Heating power (kW)":"0.8","Working Mode":"Continuous","Exterior size (mm)":"400*400*320","N.W. (Kg)":"9.5"}}