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Description
Replacement AirStoneReplacement AirStoneThis is a 7" Diffuser AirStone with a 1 2" male NPT fitting that fits our AirStone Foot Valve which is also called a Backflow Valve as shown on this page. The Outdoor Water Solutions AirStone is a critical component in successfully regenerating a pond or lake. The AirStone turns air into thousands of tiny bubbles so oxygen can dissolve into the water and improve its health. Diffusing air into the water can increase its
Replacement AirStoneThis is a 7" Diffuser AirStone with a 1/2" male NPT fitting that fits our AirStone Foot Valve which is also called a Backflow Valve as shown on this page.
The Outdoor Water Solutions AirStone is a critical component in successfully regenerating a pond or lake. The AirStone turns air into thousands of tiny bubbles so oxygen can dissolve into the water and improve its health. Diffusing air into the water can increase its effectiveness by over 1000% - This is definitely a secret ingredient for efficient aeration. Dimensions 2.25 x 7", 3.5 lbs.
Note:
Shallow or larger ponds may require multiple AirStone Diffuser Kits.
This replacement AirStone does not have any backflow protection. You should purchase a separate backflow valve if you don't already have one to use. You can click here to purchase.
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4.2 ★★★★★
Based on 15 reviews
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Product Reviews
★★★★★ 5
Excel
Format: Paperback
Perfect explanation !!
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Reviewed in the United States on May 31, 2026
★★★★★ 5
In law there is always another way
Format: Kindle
I finished this book having completed all but one course for my law degree. It is a goldmine of techniques and outlines the modus operandi of how Judges and Lawyers ideally operate.
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Reviewed in the United States on March 2, 2026
★★★★★ 5
Good for 1Ls to know
Format: Paperback
Very useful
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Reviewed in the United States on May 7, 2025
★★★★★ 5
For law students
Format: Paperback
Great resource for literal thinkers entering law school.
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Reviewed in the United States on July 25, 2024
★★★★★ 3
Needs to be more concise to weed out extraneous crap in your arguments
Format: Paperback
It’s very wordy and could be a lot more concise and be even more effective. “Getting to maybe” is not an exercise in dissertations but finding the right points to create an effective argument. There are better resources out there.
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Reviewed in the United States on May 25, 2026