The Penn Plax Check Valve Air Filter is perfect for use with all aquarium air pumps. The Penn Plax Check Valve Air Filter stops water from siphoning into your air pump in the event of electrical power failure or when removing filters from aquariums.
- Protects pump against water damage
- Supplies clean air to aquarium
- Suitable for use with all aquarium air pumps
The check valves aquarium-side connector can fit standard or mini airline tubing. Installs easily between air pump and airline tubing.
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