Elf Filler 8 Head Pressure Gravity Filler (2 units) Year- 2000 115 volt + air. Max. psi for hopper- 15. Twin, 8 head, electronic liquid fillers. Constructed mainly of stainless steel. Product hoppers have 16 outlets. Hopper measures- 18" dia. One unit is brand new and has never been used, the other has had some demonstrations done but has never seen full production. Both can be used together to act as a 16 head filling system.