Z-Flex Stainless Steel Increaser, 5" to 6"
Used to upsize a vent system. This part is not the eccentric (longer length) increaser.
• Vent material: AL29-4C stainless steel
• Certification: Tested to meet or exceed Underwriters Laboratories (UL) spec UL1738 and ULS636
• Approval: Cat II, III, IV venting
• Limited Lifetime Warranty