6&rdquo; x 25' Chimney Liner, Tee & Tee Cap, 22 in. Snout, Snout Adapter, 3-6&rdquo; x 25 Insulation Kit Complete Do It Yourself installation instructions; We will support you before and after the sale RockFlex Chimney Liner Warranty; The only warranty that is transferable to the next homeowner UL1777 Listed in the USA and ULCS635 in Canada; The very best chimney zero to zero clearance listing Quick Connect System; Simply tighten the clamps and enjoy your UL listed RockFlex liner RockFlex Chimney Liner; Constructed of 316 stainless steel, exceeds all chimney industry standards