AC Infinity Auto-Fill Upgrade Valve Kit for Self-Watering Base, Enables Automatic Refills from Larger Reservoir, 4-PackDescription Auto fill valve kit: This kit upgrades self watering bases, enabling them to be automatically refilled from a larger reservoir. It helps to expand your growing setups by allowing the effortless connection of multiple self watering bases. The gravity powered valve ensures reliable performance, free from electricity dependence and power outage risks. Secure seal construction and oversized float valve safeguard against leaks and ensure