New replacement Stainless Steel tube for Aspire Nautilus tank system. BY SIGNATURE TIPS UK Made from High Grade Stainless/Steel Manufactured In the Uk. Listing Is for a single Stainless Steel TANK ONLY PLEASE SELECT THE ITEM VARIATION REQUIRED..... A : (STAINLESS STEEL PLAIN) B: (STAINLESS STEEL 7x GROOVES) C: (STAINLESS STEEL 4x GROOVES) D: (STAINLESS STEEL 2x GROOVES) E: (FROSTED ACRYLIC PLAIN) F: (STAINLESS STEEL CURVED) G: (STAINLESS STEEL KNURLED) other parts and products are for illustration purposes only... PLEASE rinse your tanks in warm soapy water befor use....