Best Seller | Black Airline Tubing, 8' Length, Large 8' Length. Soft, kink resistant standard-size plastic tubing. Easily cuts to desired length for water and/or air applications. Connects from air pump to airstones, bubblewands or aerating action ornaments. For fresh or saltwater aquariums. ... more Black Airline Tubing, 8' Length, Large 8' Length. Soft, kink resistant standard-size plastic tubing. Easily cuts to desired length for water and/or air applications. Connects from air pump to airstones, bubblewands or aerating action ornaments. For fresh or saltwater aquariums. Petco.com | | $3.99 go to store |