a plant is placed in a black box with a small opening as shown in the given diagram the black box is
BlackBox Silver Dual 90x60x200cm
Black Box - Grow tent - 100x100x200cm - Black Silver
Tenda Cultivo Indoor Dark Box 120x120x200cm
Amazon.com: Chia Pet Star Wars Mandalorian - the Child - Black Box with Seed Pack, Decorative Pottery Planter, Easy to Do and Fun to Grow, Novelty Gift, Perfect for Any Occasion :
Black Box Grow Tents - 178 -
Blackbox Silver - 2-storey grow room - Dual BBS - 80x80x200 cm - growth and flowering - Grow Shop Navan
Black Box The Living Room Grow Tent 4' x 4' x 6.5' W/ Air Cooling Vent - THC (Toronto Hemp Company)