Polylok 4 in. Seal and Nut

The Polylok 4 in. Seal and Nut in sleek black offers a durable, weather-resistant solution for securing your drainage system. Crafted from high-quality polyethylene, this round seal and nut is designed to fit perfectly with 12 in. and 20 in. plastic D-Boxes, ensuring a tight, reliable connection. Its robust construction provides long-lasting performance, preventing leaks and keeping your landscape drainage efficient. Easy to install and built to withstand the elements, the Polylok Seal and Nut is the ideal choice for professionals seeking dependable and secure drainage components.