Air pump with inlet

[Velcro]

hopong someone can help me source an air pump with an inlet connection so that I can draw air from the outside to my lifereef Venturi. Apparently without positive pressure from air pump it will prefer air from the skimmer cup.

 

[saltyfilmfolks]

hopong someone can help me source an air pump with an inlet connection so that I can draw air from the outside to my lifereef Venturi. Apparently without positive pressure from air pump it will prefer air from the skimmer cup.

3v 6v 12v air pump on ebay. if yer handy. Has two inlets for 1/4 in tubing if that's what you mean
If yer real handy you can make it solar.