For labs, clinics, or anyone processing X-ray films, this combo pack is a workhorse. It includes both developer and fixer concentrates — 5 gallons of each. That's a total of 10 gallons of ready-to-dilute chemistry. Brand new, sealed, from White Mountain Imaging. MPN: 44-504.5/4010F.5. Made in the USA. These are professional-grade chemicals designed for consistent, reliable film processing. The concentrate form saves storage space and lets you mix as needed. Essential for medical, dental, veterinary, or industrial X-ray departments. No UPC, but it's a trusted brand in imaging. Whether you're restocking or setting up a new darkroom, this combo provides everything you need for developing and fixing films properly. Just follow safety guidelines and dilution instructions.