Extech PH103 Tripak Buffer Pouches (4, 7 and 10pH plus rinse solution) is a pre-made convenient calibration solutions for pH meters and has a convenient pouch eliminates the need for a cup to store buffer or rinsing solution and also has the following features.

Extech PH103 Tripak Buffer Pouches (4, 7 and 10pH plus rinse solution) is a pre-made convenient calibration solutions for pH meters and has a convenient pouch eliminates the need for a cup to store buffer or rinsing solution and also has the following features.