$2.49 (as of 19/08/2018 10:42 PDT details )
Features:
- Airline Check Valve from Imagitarium
- Hangs discreetly on most aquariums
- Airline tubing snaps easily into the individual grooves to help keep your habitat tidy
- Intended to be used with air pumps
- Works with airstones, airline tubing, under gravel filters and action ornaments