National Nail 0056185 Smooth Box Nails, 3-1/4" Autumn_Cleaning The extension kit rail replaces

The extension kit rail replaces the end section of the 5 piece tube rail system

Dia In x Lgth Ft=3/4 x 225

Note: framing dimension for the installation of the RSK is identical to the RSP dimension

105 CFM and airflow efficiency rating of 113 CFM/W

National Nail 0056185 Smooth Box Nails, 3-1/4" Autumn_Cleaning The extension kit rail replacesHighlights: Length : 3 1 4" Pkg. Size : 5 Lb Size Pw : 12d Bright Finish Smooth Shank WARNING: This product can expose you to chemicals including Lead which is known to the State of California to cause cancer and birth defects or other reproductive harm. For more information go to www. P65Warnings. ca. gov