Gardena Micro Drip Irrigation - Master Unit 2000 1354 - 20  Ref: 4078500135405
The master unit is used at the very start of the micro irrigation system. It is used to reduce the water pressure down to 21 pounds per square inch. AS the water passes through the unit it is filtered to ensure that the system does not get blocked with grit. The master unit 2000 will cope with 2000 litres per hour. For the normal home system the master unit 1000 will cope with 1000ltrs per hour