Oatey Plastic Air Admittance Valve Color:White This baby chick waterer screws

This baby chick waterer screws onto a Little Giant 1-quart plastic screw-on feeder/waterer jar or a standard Mason jar to make a gravity-feed waterer

The RectorSeal Tru Aire 25 in

and the longest life vs Redlithium batteries

Durably constructed to prevent rivet from stripping out or vibrating loose like threaded fasteners and specially designed for joining sheet metal

Oatey Plastic Air Admittance Valve Color:White This baby chick waterer screwsThe purpose of an Air Admittance Valve is to provide a method of allowing air to enter the plumbing drainage system without the use of a vent extended to open air and to prevent sewer gases from escaping into a building. An Air Admittance Valve is a 1 way valve designed to allow air to enter the plumbing drainage system when negative pressures develop in the piping system. The device shall close by gravity and seal the vent terminal at zero