Log Fish Cave Koi Ponds & Water Gardens (Air Systems) The oil-less design makes them

The oil-less design makes them ideal for pond aeration and with few moving parts

• Controls algae growth and eliminates green water in ponds

The bowl measures 24″ wide by 12″ tall with the core drilled with a 1 1/4″ (32mm) hole from end to end

000 gallons for up to 3 months

50′ of poly tubing

Log Fish Cave Koi Ponds & Water Gardens (Air Systems) The oil-less design makes themA natural refuge for your fish that's designed to mimic real wood. This lifelike log provides a secure hiding space with easy entry points for fish. Its poly resin construction ensures long lasting performance. Realistic cave molded from real wood Strong poly resin construction Multiple entrances and exits for easy access Dimensions 19" long X 12" wide X 10" high