_:nf01d30adcc1f495bafe99003d7084a79xb0
<http://schema.org/description>
"Pull Chain Air Valve for Roof Mount Air Horns  Hand pull lanyard valve  For roof-mount horns  Inlet: 1/4&quot; O.D. tube  Outlet: 1/4&quot; O.D. tube "
<https://kleinn.com/collections/accessories/products/model-310-manual-pull-chain-air-valve>