filter4d4 Revit-Specific Topics 🏡; 4.5 The FilteredElementCollector. One of the most powerful tools in Revit API fetches elements - fast!フェノールレッド liquid, 0.5%, sterile-filtered, BioReagent, suitable for cell culture; CAS Number: 143-74-8; Synonyms: Phenolsulfonphthalein solution at Sma-Aldrich