Best Air Stone 2

hygger Aquarium Air Stone Kit, Fish Tank Bubbler, Nano Furnace Flue Round Air Stone Disk Set, Small Bubbles and Ultra-High Dissolved Oxygen for Hydroponics (4 Inch)

Buy 1 get 6 free accessories the air stone kit includes a 4-inch Nano air disc stone, 1 control valve, 1 check valve, 2 suction cups, 1 tee connector, 1 reducer of connecting 8mm and 4mm. 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.
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 15.2oz/430g, easily sits on the bottom without suction cup. The diameter of air diffuser area is 4 inch, not including the plastic border, suitable for freshwater and saltwater.
Driven by 4W or larger wattage air pump the 4 inch airstone is compatible with 4mm or 8mm airline tube, the output air flow is 3L/Min. Please NOTE the deeper you put the air stone under water, you may need use a larger wattage air pump to drive it..

Product Name: Aquarium Under Gravel Filter 28 Pieces.
Each Size : 140 x 70 x 12mm/5.5" x 2.8" x 0.5"(L*W*T).
Tube Size(Approx.) : 32 x 2.5cm/ 12.6" x 1"(H*D).
Air Stone Size : 2.5 x 1.4cm/1" x 0.6"(L*D).
Package Content : 28 x Fish Tank Under Gravel Filter 1 x Tube 1 x Air Hose Line and Air Stone.

Extremely Compact while folded (Compared to round landing pads) whereas compatible with most camera drones on the market.
Designed to have Superior contrast with natural landing surfaces.
Design and tested to work with Precision Landing features of many drones such as DJI and Fimi.
Premium Quality Double Sided Waterproof, 20 inch x 20 inch (50cm x 50cm) when unfolded..
ONLY 9.8 inch by 6.5 inch when folded. Fits in many cases easily.
Works with All Drones: For DJI Mini 3 Pro, Mavic Mini 2, Mini SE, Air 2S, Mavic Air 2, Mavic 2 Pro, Zoom, Mavic Air, Mavic 3, Phantom 2 4, Inspire 1 2 Pro Matrice DJI Spark Tello, Holy Stone HS720E, Holy Stone HS110D, Holy Stone HS190, Holy Stone HS120D, DEERC D20, Potensic A20, Force1 drone, Ruko Drone, NEHEME drone.

Product Name: Aquarium Under Gravel Filter 20 Piece.
Each Size : 140 x 70 x 12mm/5.5" x 2.8" x 0.5"(L*W*T).
Tube Size(Approx.) : 32 x 2.5cm/ 12.6" x 1"(H*D).
Air Stone Size : 2.5 x 1.4cm/1" x 0.6"(L*D).
Package Content : 20 x Fish Tank Under Gravel Filter 1 x Tube 1 x Air Hose Line and Air Stone.

Sturdy and reusable: Air stones for squariums is made of high quality stone and plastic shell with Suction cups. Recyclable and easy to clean. Dissolved oxygen is up to 99%.
Add oxygen and create fine bubble: Our aquarium air stones push out nice steady bubbles from all points of diffuser for oxygen replacement to improve the survival rate of fish and plants. Also satisfies you with the visual enjoyment. Perfect for aquarium, fish tank, hydroponics ,pond and other growing system.
Comes with 3 suction cups: This air stones has plastic shell and 3 suction cups for protecting the stone from crashing and holding it in place on the bottom.
Detail specifications: Jetting Volume: 12 L/min,suitable for 3/ 16 inch and 3/ 8 inch air tubing(diameter) and 4-16w air pump(power). Standard pressure: 0.01 MPa, max pressure: 0.012 MPa.
Please note: Soak the air stone hydroponics in water for 2 hours before first use in order to make it work better.

Decorate your aquarium: This cute Groot decoration has realistic carving details, hand painted artwork, can generate bubbles to increase oxygen, and can also decorate the unique fish tank scenery.
Material: resin, non-toxic, will not harm your fish, will not fall off, will not fade, can be used in fresh water or salt water.
Size: 2.6 * 2.36 * 4.33 inches, weight: 7 ounces, suitable for small and medium fish tanks..
Easy to use: Air stone can replace oxygen and reduce the content of carbon dioxide. You only need to manually connect the aviation pipe to the connection port of the air stone and deliver air, and it can be used normally..
The package includes: 10 feet aviation pipe, 1 Groot bubble, 2 suction cups, 1 check valve, 1 T-connector and 1 air control valve. The whole set of accessories is enough to connect to the air pump..

This 10 inch aquarium air stone creates a steady flow of bubbles. This also increases the oxygenation of your fish tank..
Attaches easily to any air pump with a standard 3/16” airline tubing. Multiple stones can be attached in a series for larger tanks..
This aquarium aerator has extended sides to be covered in gravel which holds product to bottom of aquarium. Even with the strong flow of bubbles it will stay secure..
Air stone can be positioned anywhere in your fish tank. Blue color blends in with surroundings or it can be hidden under gravel..
Air Stone measures 10 inches in length by 2 inches wide and can be used in both freshwater and saltwater tanks..

Realistic Erupting Volcano - After connect this volcano with air pump(air pump and led lights not included), a lot of bubbles will erupt from the summit of the volcano, it will be the coolest aquarium decor in your fish tank ! a realistic underwater landscape volcano..
Air Bubble Stone Included - The aquarium decor comes with an air bubble stone ,Air stone nozzle Size : standard 3/16"diameter ,which can be connected to standard 3/16" Inner diameter tube , create a lot of smooth bubbles in the fish tank ,increase oxygen for your aquatic creatures..
Volcano Shape - Small Volcano size : 8.5 x 5.5 x 2.2 CM ./ Large Volcano size :15 X10X 6 CM. Made of high quality, durable and practical ,Realistic Hand-painted resin volcano ornament, non-toxic and safe for your fish..
Versatile - Suitable for aquarium, fish tank and house rockery landscaping, Suit for all kinds mini medium large aquarium tank !.
Nice Light Effect in the evening - Put led lights (led lighs not included) under the volcano stone , turn on air pump(not included), it will create amazing light effect in your fish tank..