FHK Replacement Flex Tubes - FLEX

The 20" and 36" FHK Replacement Flex Tube from Custom Firescreen offers an extended solution for fireplace blower kit venting. Ideal for installations requiring longer venting sections, it is built for durability and efficiency. Suitable for PV-FLEX applications, the tube supports horizontal termination with secure connections using the included starter collar, high-temperature silicone, and self-tapping screws. This high-quality replacement ensures a safe and optimal airflow, making it a reliable choice for maintaining your fireplace’s performance. Whether you are extending your venting system or replacing existing components, these 20" and 36" flex tubes guarantees an effective fit.