WANT TO SAVE TIME AND MONEY? Check out Cub Foods' new Pro2Go self-serve propane cylinder exchange kiosk now at the Cub foods in Elk River and Rogers.  AND for a limited time save $5.00 with code "15572460" until November 30th! Simply use the code when you begin your transaction by: pressing OK, choosing exchange, pressing OK, pressing CORR and entering promo code. Then follow prompts and instructions.