Conductivity (Grade 3): <5 µS/cm
Particles (>0,22 µm): <1 per ml
Nominal flow to storage tank: 7 - 10 l/h

The Crystal 7 (reverse osmosis) systems produce purified water for general laboratory applications such as feed water for labware washers or glassware rinsing. 'Sterifeed' is a water purification (Grade 3) system which is designed to produce feed water for autoclaves.

Grade 3 water produced by these systems complies with ISO 3696, ASTM and CLSI standards.