About This Product
Features
- Heavy‑duty construction designed for long-lasting durability
- Complete kit includes: 12″ compressed flex vent, flex adapter, fireblock/spacer, two gear clamps (4.5″ inner, 7.5″ outer), and small square termination
- Expandable flex vent extends from compressed 12″ up to 24″ for installation flexibility
- Compatible with Secure Flex direct vent systems featuring 4.5″ inner and 7.5″ outer diameters
- Suitable for both top and rear vent fireplace installations
- Catalog Number: 94L04
Venting Requirements
This kit is designed for Secure Flex direct vent systems with a 4.5″ inner diameter and 7.5″ outer diameter. Only Secure Flex venting components are approved for use with this termination kit. Clamps are included in this kit.

