Silent Air Auto Back-Up Air Pump B11
Product Code: SAB11
MPN: B11
The Penn-Plax® Silent Air Auto Back-Up Air Pump B11 is an automatic emergency aeration system that helps protect fish and other aquatic organisms during electrical power failures. The unit plugs into a standard AC outlet to monitor incoming power and automatically switches to battery operation when power is interrupted, providing continuous aeration without user intervention. It can also be operated manually as a portable battery-powered air pump for transporting fish, live bait, or maintaining temporary holding tanks.
- Automatically activates when household power is lost.
- Switches off automatically when AC power is restored, conserving battery life.
- Can be used as a portable aerator for transporting fish or live bait.
- Operates on two D-cell batteries (sold separately).
- Quiet diaphragm pump provides reliable emergency aeration.
- Compact, lightweight design for easy installation and storage.
- Built-in ON/OFF switch for manual operation.
Specifications
| Feature | Specification |
|---|---|
| Manufacturer | Penn-Plax® |
| Model | B11 |
| Product Type | Automatic Battery Back-Up Air Pump |
| Power Source | 2 × D-cell batteries (not included) |
| AC Connection | Detects power outages only (does not power or charge the pump) |
| Automatic Operation | Yes |
| Manual Operation | Yes |
| Maximum Aquarium Size | Up to 55 gallons (208 L) |
| Operating Time | Up to 48 hours (depending on battery quality) |
| Air Outlet | Single |
| Dimensions | Approximately 6 × 3.25 × 1.75 in. (manual lists 6" L × 3.25" W × 1.75" H) |
| Included Accessories | Airline tubing, air stone, mounting clip* |
