This square riser is a heavy-duty, stackable solution designed to raise drainage or distribution boxes to grade level for easier access and maintenance. Constructed from durable, corrosion-resistant polyethylene, it provides long-term performance in underground applications while reducing the need for excavation.

Features:

• Stackable Design: Risers can be stacked to achieve the required height, allowing flexible installation for varying ground conditions.

• Precision Fit: Engineered for compatibility with square drainage and distribution boxes for a secure, stable connection.

• Heavy-Duty Construction: Molded from high-density polyethylene (HDPE) for strength and resistance to soil chemicals and environmental exposure.

• Easy Installation: Simple assembly design allows quick installation without specialized tools.

• Maintenance Access: Raises box openings closer to grade level, making inspection and service easier.

• Watertight Performance: Designed to maintain a secure, debris-resistant seal when used with compatible lids and seals.