For use with Michel-Miller Liquid Chromatography System as filter to assure only clean solvent enters column. Threads are #7 Ace-Thred for use with 5801-07 End Fitting. Usually positioned, in line, between pump and column using 1/4"-28 tubing connectors such as 5854, 5855 or 12724. Glass only is supplied. Fittings must be ordered separately. Filter material, such as glass wool, not supplied.