Installation is easy thanks to the drain’s 6 x 6 x 2.25 Inch dimensions. Paver Drain works for Patios, Pool Decks, Walkways, Plazas, Hotels, and Backyards. Comes fully assembled. Fits 3 and 4 Inch outdoor drainpipes (SDR-35 and Triple wall). No adapters are needed. Simple grate removal for cleaning and maintenance. Sloped interior design for efficient water flow. Made with durable and weather resistant materials (Stainless Steel 316 & Brass, with an ABS plastic base). The drain is also usable for projects with Concrete, Natural Stone, Travertine, and more.