GRAF EcoPure 1000 Substrate Filter

Overview

GRAF EcoPure 1000 is a compact external substrate filter for stormwater treatment before infiltration. Sized for connectable areas up to 1,000 m², it meets DWA-A 138-1 Category III requirements for roof through heavily trafficked surfaces. Multi-stage treatment: sedimentation with flow breaker, lamella separation, then PureSorp Pro substrate filtration for dissolved heavy metals. DN250 inlet/outlet with no height difference; vehicle-accessible plastic shaft; pre-assembled for fast install. EcoPure PFAS variant (Art. 340167) uses PureSorp PFAS media for PFAS-contaminated runoff on the same 1,000 m² platform.