Ozone Check Valve Del Ozone 1/4" Barb 7-1140-01 is rated at 1/2 psi.
New white style replaces old green style. 1/4 inch barbs.
This model has changed recently and is 1/4" barb to 1/4" barb...
DISCONTINUED - see 59297-KIT UV O3 Ozone GeneratorBalboa has combined their UV lamp ozone with PlasmaCellâ„¢ to yield higher, consistent ozone levels while using 1/3 the energy of conventional UV...