The big brother to our SP-445!

The SP-645 Max film processing system:

• Process up to six sheets of 4x5 film at a time.
• Molded texture for a better grip.
• Uses only 20 oz (600ml) of solution
• Daylight safe: load in the dark, process in room light.
  
• Fills and drains fast
• Inversion agitation, stand development or anything in-between
• Built-in liquid level indicators
• Easy use of a thermometer during processing
• Rugged ABS/PC plastic
• Industry standard O-ring seal
• Set includes: tank, lid, three film holders (Rev 4), baffle set, two caps and O-ring