1. [...] [...] 2. [...] CENTURY #'S Part#54-148 cal kit for ph pen, KK031 extender Domestic, KK032 extender japanese, KK033 extender european, kk034 emulsion breaker, have dye also, 2 pens #5022 & 5036 Other sources Glyclean( no site info) & R&D in MN. [...] ... Login to read more.