Heavy Duty 18 Inch Corrugated Pipe Cover Lid With Foam Gasket, Skid Resistant Surface, UV Protection, Airtight Watertight Seal, Square Drive Screws For Tamper Prevention, Fits 18 Inch Ribbed Pipe 17.3 Inch ID 20.57 Inch OD

Heavy Duty 18-Inch Pipe Cover Lid with Foam Gasket
✔️ Fits 17.3 in ID / 20.57 in OD ribbed pipe; UV protection

The Heavy Duty 18-Inch Pipe Cover Lid caps and seals 18-inch corrugated or ribbed pipe, protecting the run from debris and tampering. Made from high-density polyethylene (HDPE), it includes a foam gasket for airtight and watertight performance, a skid-resistant surface, UV protection, and square drive screws to deter unauthorized access. Fits 17.3 in ID (439 mm) and 20.57 in OD (523 mm) ribbed pipe.

✅ Inside diameter 17.30" (439 mm) and outside diameter 20.57" (523 mm) to fit 18" ribbed pipe
✅ Foam gasket provides airtight and watertight seal for reliable weatherproofing
✅ UV protection and skid-resistant surface for outdoor use
✅ Square drive screws deter tampering and unauthorized access
✅ Made from high-density polyethylene (HDPE); color: green; pipe not included

💡 What is a heavy duty 18 inch corrugated pipe cover lid used for in drainage and irrigation systems?

This lid helps seal and protect exposed pipe ends in outdoor setups. - Provides airtight and watertight seal for above-ground piping - Keeps debris and tampering out with tamper-resistant screws - UV resistant HDPE housing supports long outdoor life - Compatible with 17.3 in ID / 20.57 in OD ribbed pipes (439 mm / 523 mm) ✝️