I also have guardex 4 in 1 OTO test kit. The sellers left it for me.
BTW are the nicer kits K-2006 or TF100 are only available directly thru manufacturer? I cannot find them on amazon or on discount anywhere. Just checking...
BTW are the nicer kits K-2006 or TF100 are only available directly thru manufacturer? I cannot find them on amazon or on discount anywhere. Just checking...