Hamilton DuraCal Buffer Solution Lot of 6 111215062 111187619 111212638 250 ml 125628 The pump works as intended

The pump works as intended but requires a slight nudge to start the pump turning

These plates are new and come in their original packaging

A Hoya HMC 49mm ND X8 filter is attached to the lens

Series: Delta® D4a

displaying minimal signs of wear

Hamilton DuraCal Buffer Solution Lot of 6 111215062 111187619 111212638 250 ml 125628 The pump works as intendedThis pH buffer solution provides precise calibration for pH meters, ensuring accurate measurements with certified traceability to national standards. Brand: Hamilton Model: DuraCal Buffer Solution Lot Model Number MPN: 111215062, 111187619, 111212638 Country of Manufacture: Switzerland Includes: Six 250 ml bottles of Hamilton DuraCal Buffer solution: two pH 4. 01, two pH 9. 21, and two pH 7. 00 solutions Volume: 250 ml per bottle Storage Temperature: