[Dual-outlets] This aquarium air pump can aerate two fish tanks at the same time, it also can be converted into single outlet through a T-connector. | [Compact but powerful] 4.7*3.1*2.4in, compact but the internal double air chamber structure not only makes the air flow output more stable, but also enables this fish tank air pump to pump out air more powerfully. | [Wider adjustment range] In addition to the adjustment knob, this fish air pump is equipped with spare regulating valves, which can adjust the air volume more accurately, so the adjustment range can reach 1-4L, suitable for 5-100gallon fish tank. | [Unique silent design] The soft rubber foot can absorb the vibration of the oxygen pump, to reduce noise. In addition, we use a thickened shell to wrap the joints on the side to prevent internal noise from spreading, so this is a whisper aquarium air pump. | [Complete Accessories] A complete aquarium air pump kit, includes: air pump Tube*2, Return Valve*2, Air Stone*2, Spare Regulating Valves *2, Suction Cup *2, Air filter cotton*1, T-Connector*1.

HITOP 400W PTC ceramics aquarium heater, really Shatterproof, suitable for 80-120gallon fish tanks and turtle tanks. With 3 powerful suction cups and a sticker thermometer, which can help you observe the water temperature at all times. | [Mechanical adjustment] Compared with electronically adjustment aquarium heaters, it has superior stability. Classic products tested by the market, will not overheat, do not cook fish, and can keep the water temperature stable for a long time. | [Easy to use] After the temperature setting is completed, there is no need to adjust too much, you can even forget this fish tank heater, it will automatically turn on and off according to the water temperature. Therefore, even if the adjustment knob is in the fish tank, it will not cause too much inconvenience. | [Ceramic PTC heating element] It has the advantages of high heating efficiency, long service life and energy saving, and is an excellent heating material for aquarium heater. It is also effective against corrosion and can be used in sea water. | [The protective cover is detachable] After long-term use, some dirt may adhere to the inside of the fish heater, which will affect the heating effect. The shell of this heater can be easily removed and installed, which is convenient for you to clean the heating element inside. We provide 12 months warranty service.