Replacement: This standard applies to stationary freestanding and wall-mounted air cleaners for domestic and similar use, supplied from mains, d.c. voltage not exceeding 48 Volt, or batteries. The standard includes combination products, where air cleaning is combined with for example humidification, but can be used only for the air cleaning function. Mobile air cleaners (3.102) and fresh-air air cleaners (3.103) are excluded from this standard. By similar use is understood the use in hotels, hospitals, shops, offices, etc. For determining and verifying noise emission values declared in product specifications, see IEC 60704-3.