Premium Circle Diffuser for Fish Tank, Koi Pond, Hydroponics, Outdoor Lake Aeration Ring - Koi Pond Air Diffuser Weighted (Single Ring/Dia.5.9‘’)
Condition: New
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At a glance
- Condition
- New
- Size
- (Single Ring / Dia.5.9‘’)
- Dimensions
- 5.9 x 5.9 x 1.25 in; 1.2 lb
- Weight
- 1.2 lb
- Material
- Other
- Age Range Description
- Mature Adult
- Care Instructions
- Keep away from Children
Features 5
- -Japanese breeders use these Japanese aeration rings for their koi ponds to prevent dangerous oxygen depletion in both summer and winter. They can also be used for aquariums.
- -No additional weights are needed as they are self-sinking, ensuring no risk of injury to the fish/koi.
- -They provide excellent dispersion of air bubbles due to low internal resistance, resulting in minimal clogging or wear.
- -With a 0.2'' thick hose, they are highly durable and long-lasting. Additionally, all models come with an extra 16.5FT air hose measuring 0.3''.
- -These rings are ideal for providing aeration in filter chambers and for use in fluidized and moving bed reactors.
Specs 12
| Product Dimensions | 5.9 x 5.9 x 1.25 inches; 1.2 Pounds |
|---|---|
| Item model number | (Single Ring / Dia.5.9‘’) |
| Manufacturer | Cesfre |
| Item Weight | 1.2 pounds |
| Item Package Dimensions L x W x H | 7.25 x 7.25 x 2 inches |
| Item Dimensions LxWxH | 5.9 x 5.9 x 1.25 inches |
| Brand Name | CESFRE |
| Target Audience Keyword | fish |
| Size | (Single Ring / Dia.5.9‘’) |
| Material | Other |
| Age Range Description | Mature Adult |
| Care Instructions | Keep away from Children |
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Yes, absolutely! You may return this product for a full refund within 30 days of receiving it.
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To initiate a return, please visit our Returns Center.
View our full returns policy here.
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Top Amazon Reviews
Single Inlet Limits Performance on 17.7’’ and 21’’ Models”
Size: (Triple Ring / Dia.17.7‘’)
statement: A fundamental design flaw, all ring models share the same single air INLET which is insufficient to provide optimal aeration—especially for the larger 17.7-inch and 21-inch models. These sizes require greater airflow distribution to maintain uniform and effective oxygenation for outer rings
...
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Reviewed in the United States on May 14, 2025 by MM