all you need to get brewing with 2 glass carboys for secondary fermentation resulting in a cleaner finished brew. 2 equipment Kits include: handbook & Instructions, fermenting buckets, Lid drilled & grommet, fermentation thermometer, drilled stoppers, hydrometers, double Lever cappers, 3 piece airlock, bottle brush's, tubing and 2 cooling coils, funnels, caps and MORE. Also may used for winemaking this summer.