REM Roof Drain Filter (RDF) – The REM Roof Drain Filter is an effective and economical solution to help organizations and property owners meet stormwater quality requirements and regulations. The REM RDF Filter allows flexibility to maximize treatment flow rates and pollutant capturing capacity in or around roof drains. Appropriate for both new construction and retrofit projects, the REM RDF Filter has broad based applications for roof drains located at industrial, commercial and retail facilities. The scalable design allows customized sizing to client specifications. Media strategy may be configured for specific pollutant concerns.