1X Phosphate Buffered Saline with Ca & Mg. (pH 7.4) Sterile and Ready to Use. Sold in packs of six bottles - £3.40 per bottleProduct Code 20-7407-05, volume 500ml1X Phosphate Buffered Saline with Ca & Mg (pH 7.4) 0.2micron gamma radiated sterile is a Ready to use solution. This product is made up to a 1X PBS with Ca. & Mg. formulation ubiquitously used in bioscience laboratories, It is available in a single bottle pack size volume of 500ml.(Whatever your requirements we can provide 1xPBS in small or large bulk containers, please contact us for more information and alternative pack sizes.)