These Air Pumps are Tetra's most powerful line of air pumps. The pumps are designed for situations that produce more back-pressure, such as deep tanks (up to 8 feet deep), long decorator air stones, multiple air stones in one or more tanks, and protein skimmers for salt water. All models include a lifetime limited warranty. This warranty does not cover water damage and rubber parts. | Depth | AP150 | AP 300 | | 12” | 7 | 12 | | 18” | 7 | 12 | | 24” | 6 | 10 | | 36” | 6 | 10 | | 48” |
| Depth | AP150 | AP 300 | | 12” | 7 | 12 | | 18” | 7 | 12 | | 24” | 6 | 10 | | 36” | 6 | 10 | | 48” | 5 | 8 | | 96” | 2 | 3 |
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