Features
- Lid not included
- Strength and Stability – Multiple sizes and shapes are designed with corrugated sides and wide flange bases for maximum durability, compression strength, and stability
- Flexible Installations – Interlocking stacking capabilities, extension models and pipe hole knockouts support deeper and flexible installations
- Environmentally Friendly – Earth‑friendly, LEED-compliant material made of 100% recycled materials (black boxes and black lids only)
Dimensions
Standard Extension
Length: 20.0 inches (50.8 cm)
Width: 14.75 inches (37.5 cm)
Height: 6.75 inches (17.1 cm)














