Full LPHF Solar Aeration System (All Parts Included)Our unique low voltage & battery free solar aeration system with an advanced forward thinking design which is quality controlled in the United States, and comes with an above industry warranty. This option comes with all the parts ready to install, no additional purchase necessary. We also sell just the aeration system, if you have the other parts already, however we do recommend our own as they are included in the warranty. Product Highlights: Safety