This Bundle includes five items: TWO IceCap 4K Gyre Flow Pumps; a Hydros WaveEngine, Light Edition (LE); & TWO WaveEngine to Gyre Flo Pump Adapters. The IceCap 4K Gyre Flow Pump w/ WaveEngine is not only more powerful than its predecessor, it now comes with the brand new Hydros WaveEngine, Light Edition (LE). This reliable and compact pump controller allows customers to fine-tune flow within their aquarium effortlessly and wirelessly from a mobile device. Rating: Aquariums 25-150+ gallons. Maximum flow: 4,000 GPH. Minimum flow: 1286 GPH. For tank thickness up to 5/8" thick. Waterproof magnet mounts. Evenly distributed linear flow. Power consumption: 13-45 watts. Can be mounted vertically or horizontally. Can be mounted close to the water surface. Size: 12" L X 3.15" W X 1.7" H.