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<http://schema.org/description>
"Heating Tube for Hot Echo Stirling Engine ModelFeatures:.Material: GlassSpecifications:.Material: Glass.Product Weight: 15g.Package Dimensions: 10 x 6 x 5cm.Package Weight: 20g.Packing: Bag"
<https://www.enginediy.com/products/heating-tube-for-hot-echo-stirling-engine-model>