Home Ready Made Buffers 1X Phosphate Buffered Saline, Ultra Pure Grade 1X Phosphate Buffered Saline, Ultra Pure Grade Storage Store at RT Catalog No Description Pack Size PB0312-1L 1X Phosphate Buffered Saline, pH7.2, Ultra Pure Grade 1L PB0314-1L 1X Phosphate Buffered Saline, pH7.4, Ultra Pure Grade 1L PB0315-1L 1X Phosphate Buffered Saline, pH8.0, Ultra Pure Grade 1L