Electric Nutrient Delivery System Pressure Relief Valve (PRV) Kit - assures consistent pressure, pre-tunes dosage rates, and prevents siphoning of valuable nutrients.

** Parts ordered may look slightly different than the picture displayed, but the fit and function will be the same.

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“Expedited shipments can only be processed if received before 1:00 pm Eastern time. Overnight orders will be processed within 24 hours or next business day”