BOYU aquarium CO2 meter LJ-01

BOYU aquarium CO2 diffuser LJ-01
1.easily obtain the quantity of CO2 the cylinder produce
2.For planted&reef aquarium
3.packing:480 pieces/carton

4.weight of each piece:0.1kg

5.weight of whole carton is about 20kgs

6.cubic meter of whole carton is about 0.09m?