DuraVent PolyPro Concentric 2" x 4" Adapter Increaser w14.125 Model SF3-RC Clearance UL and

Model SF3-RC Clearance UL and ULC listed to 1777 standard

Piezo ignition system Warranty 1 year limited warranty

to integrating within commercial/hospitality spaces and dividing open floor plans

6" x 48" Stainless Steel Rigid Pipe Length

Available in 6" to 16" diameter

DuraVent PolyPro Concentric 2" x 4" Adapter Increaser w14.125 Model SF3-RC Clearance UL andPolyPro Concentric provides users the most versatile polypropylene venting system for high efficiency, condensing appliances. The injection molded modular system is designed with a powder coated aluminum outer pipe and a polypropylene inner pipe. It does not require a locking band and provides users with a fast, safe, clean, and sustainable venting solution. The PolyPro Concentric system also includes elbows that have a smooth wall lining and are