This system includes:

Three year warranty on compressors

All external metal motor

two kits are provided for the dual piston compressors

Blast Biosphere Booster airextra This system includes:The Blast Biosphere Booster is, just as the name implies, a perfect boost, or kicker for an ongoing treatment with the Biosphere Pro. We use the Blast at about the 15 day mark, which is midway though each Biosphere Pro treatment of 30 days each. During periods of high heat, or very high nutrients (rain or runoff) coming into the pond, the Blast serves as a way to keep the biological concentration going strong, even when Mother Nature isn't making it