Versa Air Aerator Pump. Is a dual port 4.5 watt diaphragm aeration pump. Moving 3L/minute x 2 that comes to 360L per hour rich equals 95 GPH and are a reliable and chosen five Bristol hydroponics, LTD to be one of our house brand of the palms and are included in our various hydroponic kits that we sell currently and also are great for aquariums in other air supply applications up to 100 gallon tanks Condition is New. Shipped with USPS First Class Package.