Dust extraction conducts and processes

A system comprising:

• a water-soluble unit dose article comprising a water-soluble fibrous non-woven sheet and a granular laundry detergent, wherein the water-soluble fibrous non-woven sheet is shaped to form a partially sealed internal compartment, wherein the water-soluble fibrous non-woven sheet has an air permeability comprised between about 5 m3/m2/min and about 200 m3/m2/min, wherein the granular laundry detergent is comprised within said internal compartment, wherein the water-soluble fibrous non-woven sheet comprises a plurality of fibres, wherein the fibres comprise polyvinyl alcohol polymer, and wherein the granular laundry detergent comprises a plurality of particles, wherein the plurality of particles comprises zeolite particles;
• sealing jaws, wherein at least one of the sealing jaws is a heated sealing jaw, wherein a bottom seal of the internal compartment is sandwiched between the jaws, wherein the jaws comprise a non-stick coating in contact with the bottom seal;
• and
• a first dust extraction conduct to direct a gas flow away from an area surrounding a top section of the sealing jaws or away from a bottom section of the internal compartment.