Koi Pond Aeration Kit

Large size linear air pumps have aluminum covers and internal noise absorbing system, making them very quiet and rugged. Operate at a maximum airstone depth of 4' in summer. Keep airstone close to the surface during winter, approximately 18" deep. Weather protection is recommended. - pump housings are waterproof and designed for outdoor use - Includes 50' of 3/8" air tubing and one 8" air diffuser with 3/8" barb (not shown) - 25 watts, 6' cord power cord - 6 Month Warranty - Small 9720 pump