Hang this gravity flow poultry waterer in your portable chicken tractor or coop to provide fresh water to pasture broilers or other flock members. Refills from a low-pressure water source (elevated tank or bucket, sold separately) Adjustable water level, keep shallow if moving pens daily, higher if coop is stationary For chickens, ducks, geese, turkeys and other poultry Attaches to water source via 3/8" tubing (sold separately); Use correctly sized hoses for best performance. Too small of hoses may be difficult to remove from waterer, causing stress on plastic inlets. Size: 19"H, 13" pan diameter and 1-1/4" pan depth Number of birds: 12-100 Hoses, connectors and buckets sold separately This is a gravity flow system, the reservoir and hose must be higher than the suspended waterer for proper flow. If the waterer does not fill, raise the reservoir. Hang this gravity flow poultry waterer in your portable chicken tractor or coop to provide fresh water to pasture broilers or other flock members.