RESISTANCE HOLDER for egg incubators COVATUTTO: 24 ECO, 24, 24 digital, 54, 54 digital, 108, 108 digital, 162, 162 digital. NOTICE: IS NOT SUITABLE FOR OLD EGG INCUBATORS COVATUTTO 20, COVATUTTO 40, COVATUTTO 120. dimensions: 21x21x1.5h weight: 0,100 KG.