Usage : Domestic Capacity : 450Ltr Solar Type: Evacuated Tubeness Material :stainless steal Insulation: PUF Tube length(mm):1800 Tube Number: 36XL Heat preservation :72 hours Dimensions :289*145*168" Manufacturing Guarrantee:5 Years Manufacturing Warranty:10Years Installation and Delivery Charges : FREE ( Only Inside of Kathmandu Valley) Outer casing is made from stainless steel for long life. 55mm polyurethane fom insulation Keeps the water warm intake even in hilly area. High quality of layer of coupper coated in side the tube. Hihg copper glass tube can withstand hallstone of 25mm size. 1.5KW temperature controle thermostat back-up heating rod. High efficiency, stable system and a long life-span. Low iron textured tempered glass offers the best capability of durability and strength. Direct circulation design with high heat transfer. No anti-freezing liquid ;Easy maintain Easy installation,beautiful appearance to combine with different roofs. Brand Swastik SKU 100105455_NP-1020358699 Model SWT-36T-SS