Evacuated tube: High quality borosilicate glass 3.3, Φ47×1500, Φ58×1800/2100, Φ70×2100
Inner tank: SUS304-2B stainless steel plate
Outer tank: Enamel steel plate
Insulating layer: Polyurethane...
Item No. NP-SWH
Last Online Date: 08/24/2012
Last Update Date: 08/24/2012