AutoPot™ Marix Discs are designed to fit the 1Pot system, the easy2grow Kit & the 2Pot extension trays to extend the easy2grow Kit. The discs are placed inside the pot to prevent compost or soil from leaving the pot, keeping the system clean & the AQUAvalve free from debris. They will provide protection from escaping roots. The Marix Discs will last only several seasons, therefore is advised to replace the discs in the beginning of each season, this prevens also some diseases from being transferred. One pack consists of 8 pcs.