This pond aeration system is ideal for ponds up to ¼ acre. Kit includes 1/8HP air compressor, weighted tubing, 2 air stone diffusers with check valve and underlayment, fittings and clamps. Will operate up to 30 deep. Compressor draws only 3.4 amps and pumps .8CFM of air. Air compressor needs to be protected from the elements such as wind, dirt, snow, rain and sleet while allowing fresh air to enter.