WS1 Square Irrigation System for 225/240 Specification: width / length - 21cm height - 17cm material - plastic The set includes: inner cartridge - stand separating space for water water level indicator funnel - for refilling water Advantages of the irrigation system: a convenient way to properly water your plants increases the time the soil is moist reduces the frequency of watering allows you to control the water level in the pot allows you to save up to 50% of water by Less evaporation Leaving the plant in the good hands of the irrigation system Dedicated to Prosperplast pots: DURS225 DRTS225 DRTS225L DURS240 DURS240L System allows hydroponic cultivation. In this type of cultivation, the roots of the plant are located in an inner container made of plastic, filled with an inert substrate (e.g. expanded clay). The inner vessel, together with the indicator showing the optimal water level, is located in the outer vessel, which is filled with water with added nutrients. This is the best way to grow plants that like a lot of moisture, but this method can be used to grow basically all indoor plants, even succulents.