Adjustable DC pump speed For tanks up to 320 gallons Small foot print Cone shape design Collection cup drain with cap Simple. Effective. Affordable. You are going to love Simplicity DC Skimmers. Our skimmers use a controllable DC pump and needle wheel; regarded as one of the best methods to shred air and water to create micro fine bubbles. Our skimmers provide one of the keys to a successful protein skimming: long contact time between water and air. The bubble plate, wedge pipe indicator, air intake adjustment and controllable pump allow you to achieve the best performance for your unique system. Part Number: SIM0005 Simplicity 3000DC Pump 14-28 watts 6.25” Body 9“ x 8.25” x 21.25” Air 600-1200 l/h Stocking Level: Light Bioload : up to 320 gallons Medium Bioload: up to 240 gallons Heavy Bioload: up to 160 gallons Limited Warranty: 2 years on skimmer body 1 year on pump