A WATER FILTER BOTTLE WHICH REMOVES OR DEACTIVATES HARMFUL SUBSTANCES FROM ANY NON-SALTWATER SOURCE. THE BOTTLE IS FILLED WITH CONTAMINATED WATER, THE FILTER IS DROPPED IN PLACE AND THE LID TIGHTENED. CLEAN WATER CAN THEN BE SUCKED THROUGH THE FLIP-UP MOUTHPIECE.

GIR 1 & 6. THE TEXT TO CODES 8421, 8421 21 & 8421 21 00 90. THE HSEN TO HEADING 8421.