Cov ntaub npog tsev cog khoom yog cov khoom siv uas npog lub thav tsev cog khoom thiab ua lub luag haujlwm tseem ceeb hauv kev khaws cia cua sov. Cov ntaub ntawv siv dav tshaj plaws yog polycarbonate thiab polyethylene zaj duab xis. Txawm hais tias koj tab tom hloov koj lub tsev cog khoom uas twb muaj lawm lossis tsim lub tsev cog khoom, Growers Supply muaj cov ntaub npog tsev cog khoom kom haum rau koj cov kev xav tau, nrog rau txhua yam khoom siv tsim nyog.