The MC Series comes in 3 configurations, as follows:

• MC19 HHO Dry Cell (2.5 LPM Maximum)

• MC31 HHO Dry Cell (2.75+ LPM Maximum)

• MC43 HHO Dry Cell (3.00+ LPM Maximum)

Each of these units, pound for pound are amongst the best HHO Dry Cells in existence and few compare to either the quality or performance specifications of these units.

We offer free domestic shipping for all our products. International shipping, are actual rates, not inflated. As the customer, you are getting the best deal around by far.