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Pawfly 2 PCS Large Air Stones Cylinder, 4 x 2 Inch Aerator Bubble Diffuser for Ponds, Aquarium or Fish Tank
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Return this item for free
Free returns are available for the shipping address you chose. You can return the item for any reason in new and unused condition: no shipping charges
Learn more about free returns.- Go to your orders and start the return
- Select the return method
- Ship it!
Purchase options and add-ons
- Medium Bubbles: With lots of micro holes on the air stones which allow abundant dense bubbles to spout from the cylinder. An ideal way to oxygenate your tank and enliven the aquatics.
- Model: ASC100; Jetting volume: 5 L/min; Recommended air pump power: > 7 W; Standard ID airline tubing: 3/16". Great for aquariums, DWC systems or ponds.
- Reliable Material: Made from durable and washable silicon carbide, it causes no effect to the health of your aquatics. Help keep fish or roots growing healthily.
- Stable in Water: Each cylinder measures 2" D x 4" H and weighs 0.8 lbs. It can easily sink to the bottom and stand stably in your tank for steady bubbles.
- Easy to Use: Soak the stone completely in water for 1 hour before use. Clean it regularly with a brush as it gets clogged after weeks or months of usage.
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This Item Pawfly 2 PCS Large Air Stones Cylinder, 4 x 2 Inch Aerator Bubble Diffuser for Ponds, Aquarium or Fish Tank | Recommendations | dummy | dummy | dummy | dummy | |
Try again! Added to Cart Add to Cart | Try again! Added to Cart Add to Cart | Try again! Added to Cart Add to Cart | Try again! Added to Cart Add to Cart | Try again! Added to Cart Add to Cart | Try again! Added to Cart Add to Cart | |
Price | $9.88$9.88 | $29.98$29.98 | $14.99$14.99 | $19.99$19.99 | $9.99$9.99 | $8.75$8.75 |
Delivery | Get it as soon as Monday, Apr 1 | Get it as soon as Monday, Apr 1 | Get it as soon as Monday, Apr 1 | Get it as soon as Monday, Apr 1 | Get it as soon as Monday, Apr 1 | Get it as soon as Monday, Apr 1 |
Customer Ratings | ||||||
Value for money | 4.1 | 4.1 | 3.8 | 4.5 | 4.1 | — |
Suction power | 3.8 | 3.8 | 3.1 | 3.6 | — | — |
Sold By | Pawfly | Pawfly | Pawfly | Tenyon | CLL Pet Supplies | Amazon.com |
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From the brand
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Pawfly has been deeply engaged in independent development, production and sales. We specialize in all must-haves of aquarium accessories, aiming to providing superior customized aquarium necessities for aquatic hobbyists.
Adhering to the vision of “the best or nothing”, Pawfly shows incredible excellence in innovation and optimization. We’ve obtained a boom in market demands with our quality and integrity.
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How did we get our start?
Pawfly first entered the market in 2016 with simple aquarium supplies. We continued to innovate and expand channels of well-known upper supply chains, forming a multi-category product line to set up the fish tanks.
What makes our products unique?
The sharp sense of market, independent innovation talent, catering to the public preference and excellent detail controls that make our products stand out in the market.
Our Mission
Dedicated to enriching products, paying close attention to quality in pursuit of reassuring aquatic lovers and easing their life of fish farming.
Product Description
Pawfly specializes in all must-haves of aquarium accessories such as air pumps, air stones, sponge filters, fish nets, cleaning brushes and other accessories to set up your aquariums.
4 Inch Air Stone Cylinders
The 4 inch air stone cylinders feature durability, steady bubbles and high dissolved oxygen rate. Optimal for aerating your water reservoirs and livening up your aquatics. A necessity to have in the house of aquatic lovers.
Made from enduring and washable silicon carbide, they are well built to keep stable in water and produce constant bubbles for fish’s breath. Perfect for aeration in fish tanks, ponds, DWC reservoirs, aquariums, etc.
- Abundant medium bubbles
- Driven by pumps over 7 W
- Fit for 3/16 inch ID hose
- Stable and durable
- Ideal for fish and plants
- Soak for 1 hour before use
- Packed with 2 Pcs in total
What Kind of Air Stone Should I Use?
A bigger air stone needs a more powerful pump to produce more bubbles.
Basically bigger air stones can produce more nice bubbles and they're used for powerful air pumps. If you connect a bigger air stone to a small pump, the bubbles will be produced only at the front of the stone. Small pumps go well with small air stones while powerful pumps and small stones don’t get along well.
About Shapes
The most common shape of this device is cylinder. However, you can also find it in globular, disc, or even cuboid shape. The cylindrical shapes can exist in many sizes and colors. Disc shapes can stay steady at the bottom of your tank, while globular ones can produce more bubbles in the case of the same size.
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4 Inch Large CylinderThe large cylindrical bubblers are well built for continuous use. You need an air pump more than 7 W to run the stones for constant bubbles. |
Steady Medium BubblesWith large jetting volume of 5 L/min, each bubbler produces enormous medium bubbles and always keeps still due to its stable construction. |
Easy to UseSoak the stone in water about 1 hour before use. Clean it regularly as it gets clogged and replace it when not working properly. |
ASC100 | ASC025 | ASD040 | ASR100 | ASC050 | |
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Customer Reviews |
4.4 out of 5 stars
724
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4.6 out of 5 stars
4,442
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4.5 out of 5 stars
1,323
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4.3 out of 5 stars
1,188
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4.5 out of 5 stars
3,045
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Shape | Cylinder | Cylinder | Disc | Flat bottom | Cylinder |
Jetting Volume | 5 L/min | 0.8 L/min | 2 L/min | 15 L/min | 1.2 L/min |
Dimension | 2" x 4" (D x H) | 0.6" x 1" (D x H) | 1.5" x 0.7" (D x H) | 4" x 1.5" (D x H) | 1" x 2" (D x H) |
Pump Power Needed | > 7 W | > 2 W | > 2 W | > 4 W | > 4 W |
Soaking Time | 1 Hour | 1 Hour | 1 Hour | 3 Hours | 1 Hour |
Connector Diameter | 3/16" | 3/16" | 3/16" | 3/16" or 3/8" | 3/16" |
Application | Pond, Circulation | Fish bowl | Fish bowl, Tank | Circulation | Fish tank |
Product details
- Is Discontinued By Manufacturer : No
- Package Dimensions : 5.24 x 4.21 x 2.8 inches; 1.5 Pounds
- Item model number : Naludo-NL132
- Date First Available : March 12, 2017
- Manufacturer : Pawfly
- ASIN : B01MDV169A
- Best Sellers Rank: #42,832 in Pet Supplies (See Top 100 in Pet Supplies)
- #186 in Aquarium Air Pump Accessories
- Customer Reviews:
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Customer Review: Fits to good air pump 👍 great.
Reinaldo Garcia
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Customer reviews
Customer Reviews, including Product Star Ratings help customers to learn more about the product and decide whether it is the right product for them.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzed reviews to verify trustworthiness.
Learn more how customers reviews work on AmazonCustomers say
Customers like the performance, quality and size of the pet supplies. For example, they mention that it works great, is of high quality and is large. Some appreciate the weight. That said, opinions are mixed on bubbles and air distribution.
AI-generated from the text of customer reviews
Customers like the performance of the pet supplies. For example, they say it works great in their small koi pond, and is well-priced. Some say that it works well for filtering water, and has no issues.
"Works perfect" Read more
"Works great. At first there were only large bubble around the inlet, but after a day or so I notice a ton of nice small bubbles all over." Read more
"Great product worked for my dwc!" Read more
"...I followed instructions and let it soak but it’s still not working. Not worth returning the faulty one. Won’t purchase again...." Read more
Customers like the quality of the air stones. They say they are a great product, high quality, and rock solid. Some say that the stones are heavy and drop to the bottom right away.
"Does the job as advertised with minimal noise. Good value!" Read more
"...They keep everything airated. I’m happy for the price." Read more
"Durable, roots like it the added oxygen. Awesome deal" Read more
"Great air stones. Have bought few of these and have had no issues. Nice fine bubbles to aerate the water. Using for DWC buckets...." Read more
Customers like the size of the pet supplies. They mention that it works great, and the air stones are quite big.
"...The air stones are quite big as well and for two of them...you can't beat the price." Read more
"I was looking for a heavy duty bubbler..This was alot bigger than expected which was great.. I originally purchased it to put at the bottom of my 35..." Read more
"I purchased these to aerate compost tea. They are a perfect size and have a great airflow." Read more
"BIGGG and awesome for my pond. Lots of bubbles. Great product if you need lots of air movement" Read more
Customers like the weight of the air stones. For example, they say they're heavy enough to stay on the bottom and disperse air bubbles well. Some mention that the stones are great for hydroponics and stay put on the floor.
"These are awesome. Heavy enough to stay on bottom and great air distribution." Read more
"They work well, heavy and stay down." Read more
"They are nice and heavy and drop to the bottom right away but they only bubble at the top. Not throughout the whole unit...." Read more
"Heavier stones stay put on the bottom. A good dispersion of air bubbles." Read more
Customers are mixed about the bubbles produced by the pet supplies. Some mention that the product creates lots of bubbles, while others say that the bubble only come from the end.
"Top notch bubbles exactly when you need them. Don’t you worry tiny fat baby, theses bubblers bubble the bubbles 🫧..." Read more
"Works great. At first there were only large bubble around the inlet, but after a day or so I notice a ton of nice small bubbles all over." Read more
"...I also have mine on it's side. Tons of bubbles!" Read more
"Tiny bubbles are ideal for aerating a pond and not only do these produce tiny bubbles but a good amount of them." Read more
Customers are mixed about the air distribution of the pet supplies. Some mention that it has a great airflow, while others say that it doesn't work well. Some say that the stones diffuse the air evenly, while other say that very little air pushes through it and only around the top.
"...They keep everything airated. I’m happy for the price." Read more
"like so many others have found, air is expelled only at the junction of the fitting and the stone." Read more
"These are awesome. Heavy enough to stay on bottom and great air distribution." Read more
"all air escapes from the around the seal. no bubbles from the stone. Lame! left with only two choices and they both really suck for me...." Read more
Customers are dissatisfied with the connector. They mention that it arrived with broken plastic air tub connection points and was bent.
"The package arrived like it was thrown all over so the white air tube connector was bent and I could not straighten it fearing that i would break it..." Read more
"stones arrived damaged, chipped and scraped up plus one hose connector was broken." Read more
"Delivered damaged and unalbe to use. Bad packaging, broken plastic air tub connection points..." Read more
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Update: After epoxying the stem and finding that it was still leaking, I discovered that the problem was in the "kink proof" tubing that I was using, The stones were fine. 4 stars due to poor packaging.
Also, noteworthy was that I received a note from the seller giving me instructions on how to get a free replacement even though it was past the warranty period, so I guess I'll change it to 5 stars for good customer relations. Thanks!