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🐠 Elevate your aquatic ecosystem with every bubble!
The Pawfly 4 Inch Air Stone Cylinder delivers 5 L/min of dense microbubbles using durable, washable silicon carbide. Designed for air pumps over 7W, it ensures stable oxygenation in aquariums, ponds, and DWC systems with its weighted, 0.8 lb, 4" tall cylinder that sinks and stands firmly for consistent bubble release.













| ASIN | B097DL1GRR |
| ASIN | B097DL1GRR |
| Best Sellers Rank | #43,243 in Pet Supplies ( See Top 100 in Pet Supplies ) #153 in Aquarium Air Pump Accessories |
| Brand Name | Pawfly |
| Customer Reviews | 4.5 4.5 out of 5 stars (803) |
| Date First Available | June 17, 2021 |
| Date First Available | June 17, 2021 |
| Item Package Dimensions L x W x H | 5.43 x 5.16 x 4.21 inches |
| Item Weight | 3.08 pounds |
| Manufacturer | Pawfly |
| Manufacturer | Pawfly |
| Package Dimensions | 5.43 x 5.16 x 4.21 inches; 3.09 Pounds |
| Size | 4x2" (4 Pack) |
| Target Audience Keyword | Fish |
A**E
great price
work great in my aquatic tanks
P**P
Great Quality
Bubbles Great to a perfect tea Brew. 🪴
E**Y
good price
good air stones
J**J
Very bubbly
Bought these for a moving bed filter and they have performed extremely well. No issues with them after a month. They also have a good weight/size to them keeping them in position.
J**D
Decent quality
I opened the box and took these pictures. The packaging looked liked it had been through hell. There were chips of stone missing from the top but it did not affect the power of the stones. They keep everything airated. I’m happy for the price.
J**D
Value
Great product
T**I
Poor/Defective design, never worked right from day one! *** my mistake please see comments ***
I purchased on July 29th, 2018 but didn't get my system up and running till Oct 28. The first time I hooked them up (they both did the same thing) I'd say 90% of the air leaks around the stem and only forms large bubbles. Poor quality and too late to return. 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!
J**N
Some good, some bad.
One was clogged and useless
W**Z
Regresé el producto porque la manguera que ajusta a la conexión no daba suficiente flujo de aire para aprovechar el tamaño de las piedras.
J**T
Probably the best airstone I have purchased they produce a great amount of bubbles.The airstone take a bit to run bubbles completely through stone but once soaked for a hour or so tip on the side and enjoy.
K**J
Porch pirates got the first delivery.. hope they're having fun with that! haha
N**N
Works great so far
M**S
bigger than other airstones on here, keeps root rott away in hydroponic systems.
Trustpilot
2 weeks ago
2 months ago