













Description
The precise design will practicability in the work of highly performance. This item is manufactured with premium material for durable and long-lasting use. It's easy to use and install with long service life
Features
- Please use a paperclip to it from Input side to Output side when the outlet inside gets stuck.
- Protect you air pump by preventing aquarium water from back siphoning during a power outage.
- for durable & long-lasting use.
- Air Hole Diameter: 0.15" / 4mm.
- Great one way check for aquarium and fish tank.
- Color: Black.
- Material: Plastic.
- Size: Approx. 4.5 x 1.3 cm.

