Refill pack for Just Cleaning Kits PEC PADs are the ideal photo wipes. PEC PADs are extremely strong, lint-free & so soft & pure (99.999%) it is almost impossible to scratch an emulsion with them. PEC PADs are so soft they can be safely used to clean all types of sensitive surfaces: scanners, CDs, mirrors, lenses, telescopes etc. When PEC PADs are used with PEC-12, they are ideally suited for cleaning photographic film & print emulsions. Used with Eclipse Lens cleaner they are excellent for cleaning all types of coated & uncoated lenses.