Enhance your hydroponics system with these FloraFlex Flora Caps. Designed for 4x4 gardens, these green fittings are perfect for a seamless and efficient irrigation system. Made by the trusted brand Flora Flex, these fittings come in a 4-inch diameter and can be easily installed to ensure a smooth water flow. The set includes all necessary fittings to get your garden up and running. Add these Flora Caps to your hydroponics setup and enjoy hassle-free watering.