Hot Box - Poly EzBox Heated Irrigation Enclosure - HP015039026T duradeck-calculator It is recommended to add

It is recommended to add the HCHS2000-120 Heater  (2000 watt) to protect from freezing temperatures

It is used for relieving hydrostatic pressure from backfills abutting below grade structures

Heater Option: 30 W Cable

along retaining walls

Hot Box - Poly EzBox Heated Irrigation Enclosure - HP015039026T duradeck-calculator It is recommended to addQuick & Easy Installation Drop over design is quick and easy to install. Durable & Reliable No matter what material is selected, all are built with quality materials which stand up to harsh outside elements. Superior Freeze Protection Self regulating heat trace tape provides freeze protection. Variety of Options Drop overs are available in Aluminum, Fiberglass or HDPE (Plastic) allowing you to select the best option for your application. Size: 15 W X