hygger Nano Furnace Flue Round Air Stone Disk Set, Air Diffuser for Aquariums & Hydroponics

Specification:
Sizes: 2 inches
Weight: 5.2 ounces / 150 grams.
Exit size: 4mm hoses(Not included).
Compatible air pump power: 2W or higher power air pump.
Sizes: 4 inches.
Weight: 15.2 ounces / 430 grams.
Exit size: 4mm or 8mm hoses(Not included).
Compatible air pump power: 4W or higher power air pump.

Note:
Long-term use, if the dirt is blocked, when the air bubbles are reduced, it can be taken out and washed repeatedly.
It is better to soak in the bathtub for two hours before use.
If the water depth exceeds 40cm, the power can be increased as appropriate.

Buy 1 get 4 accessories: The air stone kit includes a 2-inch Nano air disc stone, 1 control valve, 1 check valve, 2 suction cups. Please note air tube and air pump are not included
Ultra-high dissolved oxygen: This upgraded hygger air stone releases the bubbles more smaller, denser, uniform, which makes double oxygen dissolving rate in water. Please note air tube and air pump are not included
Produces small & dense bubbles quietly: Push out amounts of smaller and denser smooth bubbles than others, when the bubbles burst into the water, the sound is quieter. It can creat the atomization effect and bubble beams will make your aquarium like a fairyland
Weighs enough to sink: 5.2oz/150g, easily sits on the bottom without suction cup. The diameter of air diffuser area is 2 inch, not including the plastic border. Suitable for freshwater and saltwater
Driven by 2W or larger wattage air pump: The 2 inch airstone is compatible with 4mm airline tube, the output air flow is 1L/Min. Please NOTE the deeper you put the air stone under water, you may need use a larger wattage air pump to drive it.Our white Nano disc air stone is made of high-quality white alundum & brown alumina, fired at a high temperature of 1300 degrees Celsius.
The air diffuser area is very smooth and exquisite, not like other poor quality air stone touch rough.This kind of air bubble stone has the following features:
· Super sturdy & durable, service life can be 2 to 3 years.
· Weighs enough to sink in the bottom, no need suction cups.
· Dissolve more oxygen to the water.
· Nice high output of amounts of bubbles.
· Produce quiet smooth dense small bubbles in the water.
· Strong filtration, for fresh and salt water.
· White color and disc shape, good decor for your aquarium.
· Easy to clean.
· Comes with other accessories.Want to create beautiful and fairy bubbles wall in your aquarium, please buy 2 or more different size of air stones.

Specification:
2 sizes: 2 inch, 4 inch.
Weight: the 2 inch air stone weighs 5.2oz/150g, the 4 inch air stone weighs 15.2oz/430g.
Outlet size：2 inch disc air stone can only be compatible with 4mm airline, the 4 inch disc air stone can be compatible with airline of 4mm or 8mm.
Compatible air pump wattage: the 2 inch air stone can be drove by 2W or larger wattage air pump, the 4 inch air stone can be drove by 4W or larger wattage air pump.

Warm Tips:
1. If have tubing frustration, soak the tube for several minutes before connecting it to air stone.
2. To achieve better effect, please immerse the air stone in water for an hour before puting it into use.
3. When the water depth exceeds 1.3ft (40cm), you may need an air pump with higher power wattage.
4. Cleaning tips: we suggest to clean the disc once a month, of course you can clean it more often. You need to clean algae and other impurities on the disc to prevent holes blocked.

After-sales Warranty:
1. 1 year free warranty (just contact us).
2. Free replacement within 3 months.