FTCo. 3/16" Aquarium Rigid Plastic Airline Tubing (1 m / 39.3") x 3 Clear PVC 3/16 Designed to be used in both fresh and salt water environments Extended wear and tear Win Monthly $100 AMEX Gift Card by simply making a purchase from Faremax Trading Co. The more orders you place the more chances to win you will have. A winner for current month will be chosen in the beginning of the next month.