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Other one-way airflow applications include keeping pilot lights burning in water heaters and preventing debris from entering inline duct fans in indoor grow environments
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and emergence
agricultural
soilless and hydroponic based growing mediums and can be used in conjunction with any premium quality nutrient and/or fertilizer program
Bulk Head Long with Valve and Flare HVAC & HOME VENTILATION Other one-way airflow applications includeBulk Head Long with Valve and Flare This bulkhead with attached valve is perfect for passing through thin walls in vacuum applications such as vacuum chambers, the maximum recommended wall thickness is 0. 25". The gasket design is only meant to hold vacuum, it is not intended to hold pressure. The hole diameter for installing the bulkhead is 5 16". The flare connection is 1 4" JIC.
