The Patented 2-way shut-off feature in both directions and Bon-Aire ergonomics rubberized comfort grip, makes watering a breeze. The Bon-Aire ORIGINAL ULTIMATE Hose Nozzle fits any standard garden hose (5/8 in or larger recommended for optimal performance).
Vapor-forming chemicals may include: 1  volatile organic compounds (VOCs), such as trichloroethylene and benzene. 2  select semivolatile organic compounds, such as naphthalene. 3  elemental mercury.  some polychlorinated biphenyls and pesticides.
Main article: Vapor pressure. The vapor pressure of a substance is the pressure at which its gas phase is in equilibrium with its condensed phases (liquid or solid). It is a measure of the tendency of molecules and atoms to escape from a liquid or a solid. liquid's atmospheric pressure boiling point corresponds to the temperature at which its vapor pressure is equal to the surrounding atmospheric pressure and it is often called the normal boiling point.