3-1/2" CS-3.5 Plastic Wall Sleeve - Century-Line

This is a CS-3.5 size wall sleeve by Century-Line. Known for their lines of sealing products, Century-Line is also the manufacturer of Link-Seal, a modular seal that works in tandem with this wall sleeve. This model is made from HDPE - polyethylene, making it resilient even when exposed to acids, and other corrosive materials. This also makes it extremely lightweight, especially in comparison to similar steel sleeves that require multiple workers to install. Model: CS-3.5, Material: HDPE, ID (in.): 3.38, ID (mm.): 85.9, lbs: 1.5, Kg: .68