EC - 0	0.75	2.0 to 3.2	3.5	1000 PCS
EC - 1	0.75-3.5	3.0 to 4.2	4.0	1000 PCS
EC - 2	3.5-8.0	4.2 to 6.2	5.0	500 PCS
EC - 3	8.0-22.0	6.3 to 9.1	5.5	250 PCS