Hot Box - N-Pattern Valve Dual Aluminum Heated Enclosure - HB3FE-D - HA038080043 eastgate-curlex These single sided subsurface filters

These single sided subsurface filters are used for retaining walls

Material: High-impact polypropylene (HDPE)

Geotex 701 is a nonwoven geotextile fabric that is made from high-quality polypropylene staple fibers that is needle-punched to form a dimensionally stable fiber network

The design includes hinged walls

Hot Box - N-Pattern Valve Dual Aluminum Heated Enclosure - HB3FE-D - HA038080043 eastgate-curlex These single sided subsurface filtersQuick & Easy Installation Modular design with a maximum of 4 tongue and groove sections. Easy Access Lightweight removable doors can easily be removed by one person (sizes 3" and up). Superior Freeze Protection Depending on the size, quality boardstock or foam insulation protect equipment from freezing. Where applicable wall mounted heaters are installed above the discharge point to provide better long term performance and safety. Finish options