Milwaukee Valve Check Valve, 1/4 in, Single, Inline Swing, Bronze, FNPT x FNPT - 515 1/4" Nominal Size-18" X 1.5" Vinyl cover is weather-resistant to

Vinyl cover is weather-resistant to protect drain cover and withstand damp environments

or provide 1/4" (6mm) toggle bolts or expansion bolts

The shelf measures 18 inches in length by 5 inches in width and has a hemmed lip to prevent injuries

For use where containers or pipes need to be aerated and/or vented

Milwaukee Valve Check Valve, 1/4 in, Single, Inline Swing, Bronze, FNPT x FNPT - 515 1/4" Nominal Size-18" X 1.5" Vinyl cover is weather-resistant toAllows flow in one direction and helps prevent fluid backflow this MILWAUKEE VALVE swing check valve is suitable for use in plumbing and heating applications. Model features bronze construction for corrosion resistance.