Aijiren offers two types of high pressure in-line filter kits for use with any HPLC system. view. 5 10 15 20 25 30 35 40 45 50. SORT: Product Price Default. II inline filter, 0.3µm, ea. RRLC In-line filter,2mm,0.2um filter. RRLC In-line filter,4.6mm,0.2um filter. Part Number: AT- .