The standard RA3 package comes with a fully weather proof

• Safely starts under pressure

We would use this 3/4 HP rocking piston compressor to power 4 aeration diffusers for optimal for ponds up to 4 acres in size

Ships Easily: 3400JF ships in 2 or 3 boxes and 3400HJF ships in 3 or 4 boxes via UPS

Kasco Marine RA4 Robust-Aire Diffused Aeration System - Airline Sold Seperately Pond Fountains The standard RA3 package comesThe Kasco RA4 Aeration System is well suited to aerating larger ponds up to 4 acres in size based on a depth of 15' or greater. Less depth will reduce the coverage area. Effective aeration can be achieved in 3 acre ponds 5 to 8 feet deep, 4 to 5 acre ponds 8 to 12 feet deep, and 6 to 7 acre ponds 12 to 16+ feet deep. Please contact us if you have questions or would like a certified aerial pond mapping (no charge) to be conducted to find out if this