This CropKing NFT System with 4 hydroponic growing channels features 4 separate 8ft. channels with a total of 48 plant spaces. The compact 104in.L x 42in.W x 56in.H square table fits well under many supplemental lighting systems (sold separately) for indoor growing production. Includes a 25-gal. tank with lid.,48 separate plant spaces gives you plenty of growing cells104in.L x 42in.W x 56in.H aluminum support table has adjustable legs for levelingCompletely closed system has both spouted and smooth end caps to keep out light and stop algae growthSubmersible Active Aqua pump connects to nutrient feed line plumbing and keeps a small, steady flow of nutrients in the growing channelsRemovable top caps on each growing channel for easy cleaningEasy system component assembly with included instructions Model Number: NFT0804. Age Group: adult.