Conserve-O-Gram 3/10 Choosing UV-Filtering Window Films

Conserve-O-Gram 3/10 Choosing UV-Filtering Window Films
Source: National Park Service (NPS)

In the past 20 years, the market has become saturated with window films with different performance criteria.Unfortunately, not all of the solar films meet museum standards, and the product literature available from the manufacturers is very often confusing and sometimes misleading.