Coolant / Liquid Mixers are used for mixing liquid coolant concentrate with water Used in several industrial applications for correct mixing of coolants Manufactured from aluminium, the GROZ coolant mixers work on rotary disc valve mechanism Compact construction & minimal parts Driven by pressure from water supply Adjustment for mixing ratio is variable & controlled via a simple turn of the knob In-built suction tube & 2" bung fits directly onto 205 litre coolant drums