Overview Reviews Product Description GPI 2-micron bio-tek water & particulate filter delivers up to 25 GPM (94 L/min), with 1 - 12 UNF mounting thread. 50 PSI operating pressure. NOTE: May substitute for a filter of equal performance from a valued partner. GPI Catalog Product Videos Custom Field Product Reviews Write a Review Write a Review × GPI 25 GPM 2 Micron Bio-Tek Water Filter 129340-04 Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Review Subject * Comments *