LLG universal indicator strips in vial with snap lid ''Premium'' flip-top vial easy to open and close with one hand. The new LLG pH strips offer the utmost in convenience and ease of use in laboratory grade testing. With a single colour match and a 12mm reagent pad. These universal pH strips (0.0-14.0) belong in every lab. pH measuring range 0 - 14. 0 -12mm matching area for quick matches. Flip-top vial stays closed when dropped but is easy to open with one-hand. Vial keeps strips safe from the elements. Package contents 100 strips per vial with snap lid.