Ista Premium CO2 Supply Set with 1L refillable cylinder is the perfect CO2 plant fertilization supply set for larger sized aquariums. This set contains a 3 in 1 acrylic diffuser, high-quality CO2 flow regulator with pressure gauge and solenoid valve, 1L (800g) refillable CO2 cylinder and other accessories. Recommended for aquariums up to 400 litres.
