The Columbia HP8 achieves a MERV 8 (minimum efficiency reporting value) when tested to the
ASHRAE 52.2 testing method and has an average efficiency of 30-35%.
Columbia HP8 Pleated Air Filters are listed by Underwriters Laboratories as meeting Class II
specifications in the U.L. 900 standard. Suggested operating temperatures should not exceed
200°F (93°C)
The Columbia HP8 achieves a MERV 8 (minimum efficiency reporting value) when tested to the
ASHRAE 52.2 testing method and has an average efficiency of 30-35%.
Columbia HP8 Pleated Air Filters are listed by Underwriters Laboratories as meeting Class II
specifications in the U.L. 900 standard. Suggested operating temperatures should not exceed
200°F (93°C)
