MK2a is the latest and the best type of heatbed money can buy as of today. 100% compatible with all Prusa and Mendel 3d printer variants.
Read more here:http://reprap.org/wiki/PCB_Heatbed
Size: 214mm x 214mm
Etching: 35um copper
Laminate: FR4 1.6mm Package
1PCS*MK2a PCB Heatbed for 3D Printer Reprap Prusa and Mendel 3D Printer
RepRap 3D Printer PCB Heatbed MK2a heated heat bed For Prusa & Mendel