These 6.5mm Fibre Optic Cleaning Swabs from ITW Chemtronics are the ideal size and dimension for fusion splice mirror cleaning.
Swabs are high absorbency to remove dust and other contaminants
No adhesives, binders, or fibres that can leave residues
Swabs also work well as a solvent applicator
Can be used with from ITW Chemtronics Electro-Wash? PX Precision Cleaner for hard-to-remove soils.