THESE ARE PFA (PLASTIC) LINED FILTERS DESIGNED TO PREVENT LARGER OBJECTS FROM PASSING ALONG A PIPELINE. THE STRAINER HAS A PFA LINED DUCTILE IRON BODY. THE PFA LINING AND PTFE MESH AND BASKET ENSURE LONG LIFE IN THE MOST ARDUOUS CONDITIONS. THE FILTER MEMBRANE DOES NOT EXCEED 140 MICRONS.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIR)S: GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 8421 CENTRIFUGES, INCLUDING CENTRIFUGAL DRYERS; FILTERING OR PURIFYING MACHINERY AND APPARATUS, FOR LIQUIDS OR GASES GIR 6 HAS BEEN USED TO CLASSIFY THE GOODS TO SUBHEADING LEVEL 842129 OTHER FILTERING OR PURIFYING MACHINERY AND APPARATUS FOR LIQUIDS. CN CODE 84212920 OTHER ALSO CLASSIFIED IN ACCORDANCE WITH: HARMONISED SYSTEM EXPLANATORY NOTES TO 8421 (II) (A)