If you're looking for a 4 Legged windmill complete system

5 running amps on 240V circuits

and high volumes of water turnover

5 CFM of air at 30 psi with Stainless Steel components

Because ornamental water gardens are enclosed ecosystems

Kasco Marine SureSink Weighted Aeration Tubing 3/8 Inch feed-gpc-500098 If you're looking for aSureSink Aeration Tubing is made of a durable PVC composite that will remain flexible even under extreme weather conditions. For tubing runs of more than 300 ft, it is recommended to use the 5 8 inch aeration tubing. 100 ft. rolls come complete with all necessary fittings for attaching to the compressor or extending lengths. Part Number 773380 SureSink Tubing Installation Instructions