Washer: Plain M8 x ID8 x OD18 x T2mm /10 EACH/PACK
Valve: electromagnetic valve 12v-1/2[n/c]
Battery: lithium battery cr-2032(3v)
Nipple: brass equal 90 id-1/2
Valve: sol. 1/2 vdc sana
Bolt: hex. m8x50mm