Ultra Silent RS 390 Air Pump 2 Air Bubble Stone With Complete Set

✅ Features:

1.Multi-level muffler, low noise

2.Oil-free compressed air pure

3.Low-power, economic power-saving, Continuous operation and long service life

✅ Specification:

Voltage rating: 220 volts
Max displacement:3.5L/Min
Size:120X70X55MM
Color: Black with gray
Package weight:11.5 oz/327g

✅ How to use it:
1.The voltage and the frequency of the air feed pump using must be meet requirements
2.The position of placing the air pump must be higher than that of the aquarium, which can avoid the water flowing into the inside place of the machine following the exhaust pipe
3.Connect the gas piping to the air outlet of the air pump, the uniformly distribute the vesicle stone in the aquarium, switch on power supply and the air pump will be air-entrapping and oxygenation
4.You can choose single air outlet or double air outlet depend on the oxygen demand to reach the ideal air supply and oxygenation
5.The filtration cotton of the air pump and the vesicle stone must be washed and replaced in every three months
6.The air pump should disconnect with the power supply, and placed in the dry environment when do not used

✅ Note:

The air pump cannot be used in water or outdoor
You should remember firstly taking out the power supply
When it is dropped into water because of careless
You should remember firstly taking out the power supply when
Find it has the phenomenon of leakage of electricity, and you can
Use it after check out the reasons and repair it
You cannot use the air pump under the temperature of zero

✅ Package included:

1 x Aquarium air pump

2 x Free air stone

1 x 2 meter air hose

4 x Suction cups

2 x Straight connector

2 x T connector

2 x Non-Return Check Valve red or black color