3-year warranty on 2 and 5HP units (optional 5 year extended warranty available)

Because it is solar-powered

Lake and pond water may be used immediately following treatment for irrigation without harm to plants or grass

Unlike all other copper sulfate water treatment products available today

Complete air filter for Stratus RV series rotary vane compressor units

Kasco Marine RA4 Robust-Aire Diffused Aeration System - Airline Sold Seperately Pond Fountains 3-year warranty on 2 andThe 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