All ULTRAMAX TT series "Liquifix" batteries use AGM technology which consists of an Absorbent Glass-fibre Matting between the lead plates inside the battery. Replaces the following part numbers: GT6B-3, WP6B-3, FTX5L-BS, YTX5L-BS, GTX5L-BS, 6E5, ATH5L-BS, B5-12B.
