Check the listing for details. SP-445 4x5 Film Processing System. Color: Black, Condition: New. Listed at 96.00 USD. The SP-445 film processing system:Process up to four sheets of 4x5 film at a time.Uses only 16 oz (475ml) of solutionDaylight safe: load in the dark, process in room light. Fills and drains fastInversion agitation, Stand development or anything in-betweenBuilt-in liquid level indicatorsEasy use of a thermometer during processingRugged ABS plasticIndustry standard O-ring sealSet includes: tank, lid, two film holders (Rev 4), baffle set, two caps and O-ring Customer comment: ... wanted to take a moment and let you know how completely thrilled I am with your product. Your instructions were perfect, the tank is fantastic and couldn't be easier to use, and each of my negatives were outstanding. ... In all likelihood, I will pick up a second tank so I can develop a second set of negatives at the same time. - Roy Here's a short video (Note that the video shows the original film holders; all units ship with the new Rev 4 unless otherwise requested): Intro to SP-445 Holders for the J. Lane Glass plates are available. Contact us for educational discounts. User's Guide Search YouTube for instructional videos. Note: no international shipping from Ebay. We also offer film and chemistry! More info: stearmanpress.com