280440subheading
Oxygen
Duty4%
Landed-cost calculator
Related codes
280410HydrogensubheadingDuty4%280421ArgonsubheadingDuty4%280429Other rare gasessubheadingDuty4%280430NitrogensubheadingDuty4%280450Boron; telluriumsubheadingDuty4%280461Silicon, 99.99% or more by weightsubheadingDuty4%280469Other siliconsubheadingDuty4%280470PhosphorussubheadingDuty4%280480ArsenicsubheadingDuty4%280490SeleniumsubheadingDuty4%