Hot Box - EzBox Accessible Enclosure - NCEZ3 - LN026070045 drainage mat These single sided subsurface filters

These single sided subsurface filters are used for retaining walls

or even under sod

This product also helps to reduce radon gas from entering the structure

This enclosure meets ASSE Standard 1060 Class 1 for freeze protection when the recommended heater is added

Hot Box - EzBox Accessible Enclosure - NCEZ3 - LN026070045 drainage mat These single sided subsurface filtersQuick & 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 Wall mounted heater or 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