A CARBON MONOXIDE (CO) CAPSULE CONSISTS OF A CARBON CLOTH/TAPE WITHIN A PLASTIC CARTRIDGE.THE CAPSULE IS DESIGNED TO BE INSERT INTO A STIMULI HEAD. WHEN INSERTED THE TAPE IS HEATED UNDER MICROPROCESSOR CONTROL, WHICH ALLOW A PARTIAL OXIDATION RESULTING IN SMALL AMOUNTS OF CARBON MONOXIDE BEING EMITTED FROM THE HEAD UNIT TO TEST CO DETECTORS.

CLASSIFICATION HAS BEEN DETERMINED IN ACCORDANCE WITH THE FOLLOWING:- GENERAL INTERPRETATIVE RULES (GIRS): GIR 1 HAS BEEN USED TO CLASSIFY THIS PRODUCT BY THE TERMS OF HEADING 6815 - ARTICLES OF STONE OR OF OTHER MINERAL SUBSTANCES (INCLUDING CARBON FIBRES, ARTICLES OF CARBON FIBRES, AND ARTICLES OF PEAT), NOT ELSEWHERE SPECIFIED OR INCLUDED. GIR 3(B) HAS BEEN USED AS THE ACTIVATED CARBON CLOTH IS CONSIDERED TO BE THE ESSENTIAL CHARACTER. GIR 6 HAS BEEN USED TO CLASSIFY TO SUBHEADING LEVEL - 681510 - NON-ELECTRICAL ARTICLES OF GRAPHITE OR OTHER CARBON. CN CODE 68151010 - CARBON FIBRES AND ARTICLES OF CARBON FIBRES. ALSO CLASSIFIED IN ACCORDANCE WITH: HARMONISED SYSTEM EXPLANATORY NOTES TO HEADING 6815 REFERS.