AIR DIMENSIONS Dia-Vac 1/8Hp 115VAC Double Diaphragm Vacuum Pump R221-FT-AA1-CD. 316 Stainless Steel Wetted Parts. General Purpose 115 Volt 60 Hz Factory Set (Can Be Reconnected for 230 Volt). At The End Of The Part Number. Option C References The Power Cord.
Option D References Double Diaphragm.