DuraVent FasNSeal Flex 9" x 25' Stainless Steel Custom Flex Length v115 they are put through a

they are put through a 'tumbling' process that removes all sharp edges and gives the stones their smooth look

Designed for large interior applications

Non-Com Material

1 x Fireplace Grate

DuraVent FasNSeal Flex 9" x 25' Stainless Steel Custom Flex Length v115 they are put through aMade from super ferritic stainless steel. Corrosion resistant. Manufactured with a sure seal locking seam for superior strength and flexibility. The smooth inner wall provides for no output reduction, allowing for full appliance efficiency, ease of cleaning and regular maintenance. The smooth inner wall optimizes gas flow, minimizes back pressure, and facilitates condensate management. Only flexible chimney liner listed to UL 1738 standard. What's