Hard Air Actuator Button height_11 Feet It may also work with

It may also work with other brand DE filters

it may be necessary to add more than one quart

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Hard Air Actuator Button height_11 Feet It may also work withThis is a Hard Air Actuator Button replacement for specific spa equipment. The color is white. All air buttons have a sealed internal air bellow to prevent water from entering the air tube that connects the air button to the air switch. When pressed, the air actuator sends a pulse of air to the air switch which safely controls the equipment.