It comes standard with interchangeable nozzles

However post mounted (4x4" post not included) and ground based cabinets are available in the deluxe kits

even in low-light and cloudy conditions

and KM-200C

Kasco RA5 Robust-Aire Diffused Aeration System - Airline Sold Seperately Pond Treatments It comes standard with interchangeableThe Kasco Marine RA5 Aeration System will work well in ponds up to 9 acres (based on a 15' depth or greater). Less depth will reduce surface aera coverage. Effective aeration can be achieved in 4 to 5 acre ponds 5 to 8 feet deep, 6 to 7 acre ponds 8 to 12 feet deep, and 9 acre ponds 12 to 16+ feet deep. Please contact us for a free aerial pond mapping to make sure this is the right aeration system for your pond. The combination of compressors in the