5 Layer Membrane Electrode Assembly with GDL for use in hydrogen air/oxygen fuel cells. This is the MEA recommended for use in the book Build Your Own Fuel Cells written by Phillip Hurley.

Electrode / Active Area (cm)	Gas Diffusion Layer	Membrane Area (cm)	Anode Loading	Cathode Loading	Nafion™ Membrane
3.49 x 3.49cm	Carbon Cloth	5.5 x 5.5cm	0.2 mg/cm² PtC 20%	0.5 mg/cm² PtC 60%	N-212