Features: * Choose applicable non-pressure manifolds according to different demands. * From family to factory; from tens to hundreds to thousands, it is widely used in hotels, schools, armies and factories. * Automatic supplying water, electric heat, recycling and protection. * Investment only once, benefit forever. * No harm, no pollution, save an clean Key specifications: * Material: stainless steel or Anodized aluminum * High-performance evacuated tube design. Up to 75% efficient a) Size: 47 x 1,500mm / 58 x 1,800mm b) Qty: 15 / 20 / 25 / 30pcs c) Hail resistance: diameter 25mm * Temperature conservation layer in chest a) 30mm thickness imported polyurethane, machinery overall for keeping the same temperature and high pressure foam b) Heat preservation: 72 hours * ISO9001:2000 / CE/CCC certificate * 3 years international responsibility for free repairing or exchange due to original quality problems * Packing: export carton and foam