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The Marina Check Valve prevents water from siphoning through the air hose and into the air pump in the event of a power failure or when removing filters and other air-driven accessories
automatic shut-off valve
With 12% available phosphorous and 20% available calcium
A broad spectrum preventative biofungicide bacteriacide effective as a foliar spray or soil drench
The ability to use this product on tomatoes and a wide array of other vegetables offers the most economical and convenient solution to garden annoyances available on the market
Marina Air Check Valve, 1/4" eligible-for-discount The Marina Check Valve preventsThe Marina Check Valve prevents water from siphoning through the air hose and into the air pump in the event of a power failure or when removing filters and other air driven accessories.
