Use the airline tubing that looks like an aquarium plant and camouflage your airline
Kit includes green tubing, plant sleeve, and universal airline connectors No more do you have to look at ugly airline tubing defacing your aquarium! This green airline tubing is cleverly disguised as a beautiful green Cabomba plant. Uses low buoyancy miniature air-line tubing, with no loss of air output efficiency. Comes with 4.7 feet of tubing. Requires standard airline tubing converter or Penn-Plax Check Valve to connect to a standard size air pump.
