SBI 4″ x 25′ Insulated Fresh Air Flex Pipe (AC01359)

Reliable Outside Air Supply for Cleaner Wood Fireplace Combustion

Provide consistent outdoor combustion air to your wood fireplace with an insulated flex pipe designed for SBI fresh air systems.

Key Features

• 4″ diameter insulated fresh air flex pipe
• 25-foot length for extended installation runs
• Designed for outside air intake systems
• OEM SBI accessory for proper fit and performance
• Supports efficient, cleaner-burning fireplaces

Product Features

Dedicated Outside Combustion Air

This insulated fresh air flex pipe supplies outdoor air directly to the fireplace, helping improve combustion efficiency and reducing competition with indoor air.

Insulated for Performance & Comfort

The insulation minimizes the transfer of cold air and condensation, making it ideal for routing through walls, floors, or unconditioned spaces.

Extended 25-Foot Length

With a full 25 feet of flexible ducting, this pipe offers greater installation flexibility in both new-construction and retrofit fireplace installations.

OEM Quality from SBI

Manufactured by SBI, this component is engineered to meet the airflow and durability requirements of compatible SBI wood fireplaces.

Installer-Friendly Flexible Design

The flexible construction simplifies routing around framing obstacles while maintaining a secure and continuous air path.

Compatible Wood Fireplaces

• Stratford II Wood Fireplace
• Lafayette II Wood Fireplace
• Lafayette IIS Wood Fireplace

Product Specifications