Atlantic® Deep Water Aeration Systems Model:Cabinet w/ Three-outlet Manifold & Rocking Piston Compressor 11-gauge thickness

11-gauge thickness

All of those older models use this ballast

One dose typically lasts 6 weeks

They can be ordered here

Atlantic® Deep Water Aeration Systems Model:Cabinet w/ Three-outlet Manifold & Rocking Piston Compressor 11-gauge thicknessDeep Water Aeration Systems Includes Gast rocking piston Deep Water Air Compressor Easily adjusted manifold assemblies provide flow control to multiple Diffuser systems Oil filled pressure gauge and pressure relief valve monitor and protect compressor for enhanced reliability and longevity Heavy duty double walled Cabinets secure and protect components while muffling the sound of compressors Atlantic's Cabinets have reinforced lockable lids and sturdy