The Ross Canister System is one of the most popular moisture control systems on the market today. Invented by Geoff Ross of Australia is a forerunner of many of the systems in use today. This set-up will control the amount of moisture that flows to the reeds. A perennial favourite among top players and bands. The system comes with 4 hoses (3 drone, 1 chanter) a canister with lid, a replacement canister, and instruction manual.