REM Triton Top Hat Filter – The REM TRITON™ TOP HAT (TH) Filter insert is an effective and economical stormwater BMP treatment solution designed to help property managers, commercial enterprises, industrial firms and public municipalities meet stormwater quality requirements and regulations. Easily installed and mounted on the catch basin wall below the grate in combination grate & curb inlet structures and drop inlet storm drains, the REM TRITON™ Top Hat filter insert utilizes a patented media cartridge system that effectively removes pollutants from stormwater. Media strategy may be custom configured for specific pollutant concerns.