| 1. Four bidirectional mix jet aerators in round tank for a paper manufacturer. |

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| 2. Three bidirectional mix jet aerators in an lagoon for a food manufacturer. |

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| 3. One of seven bidirectional mix jet aerators in an activated sludge lagoon for a pulp manufacturer. |

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| 4. Bidirectional mix jet aerator with 24-inch liquid line and 16-inch air line. |

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| 5. Individual jet plumes can be clearly seen in the right hand picture showing the bidirectional mix jet aerator during start-up. |


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| 6. Side-by-side configuration is used for the installation of two bidirectional mix jet aerators. Second picture shows the liquid surface during aeration. |


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| 7. Three bidirectional mix jet aerators in a basin 98 ft by 66 ft by 30 ft (30 M by 20 M x 9 M) deep. |

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| 8. Two bidirectional mix jet aerators are placed end to end in a tank 310 ft long by 50 ft wide. There are identical five tanks. Second picture shows the liquid surface during aeration. |


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| 9. Two bidirectional mix jet aerators completely mix this tank. |

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| 10. Two bidirectional mix jet aerators are placed end to end in this long, narrow lagoon. |

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| 11. One of two bidirectional mix jet aerators that are to be installed in a 70 ft diameter tank. These aerators have a 24" liquid line and a 12" air line. |

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| 12. Two bidirectional mix jet aerators are installed in a two-chamber aeration basin. The 8" backflush can be seen on the right near the ladder.
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| 13. One of two bidirectional mix jet aerators during installation. |

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