Heavy-Duty Construction: Crafted from durable Aluminum for long-lasting performance Weather-Resistant Design: Features a Storm Collar to protect against harsh outdoor elements Easy Installation: NPT thread type ensures simple and secure fitting on SL300 Series Pipe Perfect Fit: Designed to fit 3-inch pipes, providing a snug and secure seal Stylish Finish: Available in sleek Silver to complement your outdoor decor Outdoor Lifestyles Round Termination Cap w/Storm Collar for SL300 Series Pipe