Adding a thimble to your ventillation kit is an important part of your ventillation process. With this thimble kit from FMI, you can finish your vent kit, and you can complete the installation of your fireplace. This small accessory is an affordable way to make sure that your fireplace will continue to run smoothly, and it will help improve the circulation and air flow inside your fireplace. The sturdy materials are durable and long lasting, making this a long lasting part of your vent system.
Features
Firestop thimble kit
Designed for FMI gas appliances
that require 5" x 8" venting systems
Manufacturer: FMI Part Number: FTA-58
Overall Rating for FMI Firestop Thimble Kit - For Gas Appliances that Require 5 Inch x 8 Inch Venting Systems