TETRA TEC CV 4 CHECK VALVE - £2.89

Prevents water being sucked into the air pump. Essential if positioning air pump below the surface level of the aquarium.

• High production quality
• Maintenance-free

Application

Cut the airline approximately 10cm from the air pump, and insert the TetraTec CV 4 check valve by pushing the airline over the nozzles at each end. Make sure the arrow on the valve points in the direction of the air stone.