1 Diffuser Rocking Piston Air System Sound Shield Compressor:No Use WFS37 auto-fill valve to

Use WFS37 auto-fill valve to maintain water level

It creates a natural bluish/turquoise pond water color that reflects sunlight

That's enough to treat a 5000 gallon pond for nearly 4 months

Please be aware that pH levels change during the course of the day

1 Diffuser Rocking Piston Air System Sound Shield Compressor:No Use WFS37 auto-fill valve toThis popular model is perfect for a variety of small ponds. System includes the new Gen 2 Stratus 1 4 HP Sound Shield Rocking Piston Compressor or the standard Gen 2 Stratus 1 4 HP Rocking piston Compressor. Both are American made and carry a 2 year warranty. These compressors can aerate up to 50 feet in depth! The system comes with complete installation, operation, and maintenance instructions Components of this system include: 1 4 HP Rocking Piston