Threaded Design: Coarse external threads provide secure, watertight seal in 4-inch cleanout adapters and cleanout fittings
Removable Access: Easy to unscrew for drain cleaning, video inspection, and blockage clearing, then reinstall for secure seal
Durable PVC Construction: Resists corrosion, chemicals, and environmental degradation for long-lasting performance
Raised Head Design: Extended head provides grip surface for hand-tightening and wrench application
SDR35 Compatible: Fits standard 4-inch SDR35 cleanout adapters, two-way cleanouts, and threaded cleanout openings
Weather Resistant: Withstands UV exposure, freeze-thaw cycles, and outdoor conditions without cracking or deteriorating