NEOPERL HONEYCOMB Perlator aerator water-saving flow regulator — NEOPERL brand, MPN 40.2002.00001; packs of 2, 5 or 10 pieces Flow rate: approx. 7.5–9.0 L/min at 3 bar (listed ca. 9 L/min); commercially available aerators ≈15 L/min Compatibility: fits standard fittings 22*1 and 24*1; not suitable for unpressurized systems Water-saving features: air intake design, tested quality by NEOPERL, claim: Save 70% water Construction: long-life quality with anti-limescale sieve; limescale removable with tooth or nail brush Application: for bathroom & kitchen; simply replace your existing insert .