“FOR;MACHINERY:M/E L.O 2ND STRAINER MAKER:NIIKURA KOGYO CO., LTD. TYPE:LA1-2A20 SERIAL No:DU 3919 DRAWING No:LA1-2A20-BAD-A401-0 BOOK/PAGE No:M-8-20 LO BACK-WASH FILTER WITH INSTRUCTION BOOK, PAGE 5” ELEMENT NIIKURA KOGYO.NA.E3