Feature: 1. Design With Lid: Poultry feeder ports kit has a design with lid to keep food dry and clean even in rainy days, hygienic and convenient. 2. PP Material: Automatic poultry feeder port is made of premium pp material, which is well sealed and durable. 3. Safe: Poultry gravity feeder port is carefully polished, thick and sturdy, no nails and no thorns, no need to worry about hurting your chicks. 4. Large Bore Feeder Port: Large chicken feeders port is a large bore feeder port, perfect for large poultry animals like geese and ducks. 5. Gasket Design: Automatic poultry feeder port has premium gasket design, easy to fix and tightly sealed. Suitable for any container, such as barrel, bucket, box, trough, etc. 6. Easy To Install: Chicken feeder port is very easy to install, only a spare container is needed to make automatic chicken feeder easily and keep feed available at all times. Specification: Item Type: Poultry Feeder Ports Kit Material: PP Gross Weight: Approx. 284g / 0.6lb Use: Automatic Feeder Application: Goose, Duck and Chicken Product Size: Approx. 140x125mm / 5.5x4.9in Installation Diameter Outside Diameter: Approx. 92mm / 3.6in Feeding Diameter Inside Diameter: Approx. 87mm / 3.4in. Package List: 2 x Feeder With Cover10 x Screws10 x Nuts Note: Manual measurement, please allow slight error.