Two Little Fishies Plastic Airline Fittings - 12 piece

Tee, elbow, cross, joiner, with barbed ends. Aquatic micro fittings for connecting standard tubing for air-controlled devices such as airstones, filters, protein skimmers, ornaments, etc. Also for connecting liquid feed lines for metering pumps, fertilizing systems, and drip irrigation of water gardens and paludariums.