... Heater Spare Parts 1.Appearance fashion and many kind of style. 2. Authentication of ISO 9001:2008. 3.Solar cover Product DescriptionMaterial ... :SpecificationΦ150, Φ175, Φ240, Φ260, Φ300, Φ310,Φ315,Φ340, Φ350, Φ360, Φ370,Φ380, Φ390,Φ400,Φ420(mm) materials stainless steel thickness ... 0.35-0.50 mm (based on consumer) Because of specialty, so have the high quality!