【Size Selection Guide】This product is the 4-inch outlet version. If your 3-inch single-wall corrugated pipe connects inside a 4-inch fitting,please choose the 4-inch version. If your drainage system is entirely 3-inch pipe with no 4-inch fitting involved,please select the 3-inch version from the variation options to ensure proper fit.
【Direct Pipe Compatibility】Directly fits 4" PVC D2729 (Sewer & Drain, S&D), 4" Schedule 40, 4" SDR35, and 3"–4" corrugated pipe without additional adapters. Stepped shoulders and locking features help ensure proper seating and alignment across common drainage pipe types. Installation on 3" triple-wall pipe is not recommended, as fitment cannot be guaranteed.
【Dual-Rod Pop Up Design】Features a dual-rod guided pop-up mechanism that controls vertical movement and reduces tilting during operation. Spring-free construction avoids corrosion and binding commonly found in traditional spring-loaded designs. Installation on 3" triple-wall pipe is not recommended, as fitment cannot be guaranteed.
【Integrated Elbow Outlet】Integrated elbow design provides directional water discharge, helping guide flow away from foundations, retaining walls, and low-lying areas. Intended for use at the downstream outlet of underground drainage systems. Installation on 3" triple-wall pipe is not recommended, as fitment cannot be guaranteed.
【Low-Profile & Lawn Friendly Top 】Returns flush or near-flush to help reduce mower contact and keep yard areas usable after storms. The textured surface resists scuffs for long-term outdoor use. Installation on 3" triple-wall pipe is not recommended, as fitment cannot be guaranteed.
【Drainage System Application】Designed for use with yard drainage systems, including downspouts, channel drains, catch basins, and underground drain lines in residential outdoor environments. Installation on 3" triple-wall pipe is not recommended, as fitment cannot be guaranteed.