DURABLE CONSTRUCTION: The Driveway Channel Drain is constructed of heavy-duty 304 stainless steel and galvanized steel for corrosion resistance, preventing rust and withstanding de-icing salts and other harsh chemicals ALL-WEATHER PERFORMANCE: This yard trench drain system is built to withstand outdoor elements for years, maintain functionality in any climate conditions without cracking or breaking down over time Easy & Quick Installation: You can connect these outdoor trench drains together for extra length. Put construction adhesive (not included) on the cross-section of the drain and tighten with the supplied screws SOLID CONSTRUCTION: The garage channel drain's welded seams provide leak-proof performance you can count on. And the grates are easy to install and remove by hand, ideal for regular cleaning WIDE APPLICATION: The deck trench drain fits 3" drain pipes. Ideal for installing concrete floors in garages, driveways, parking lots, commercial buildings and other outdoor areas that require effective drainage solutions.