Question: What do the efficiency ratings mean on exhaust filters?
Answer: This refers to how effective the filter is at removing overspray from the exhaust airstream. The higher number, the better a given filter is at overspray removal.We offer test data sheets that show efficiency ratings to help you comply with the EPAs NESHAP HHHHHH recordkeeping provision.Our exhaust filter efficiencies are as follows;PA/GA Series 14/15 Gram: 98.8%PA/GA Series 22 Gram: 99.03%Expanded Paper: 99.30%Paint Pockets Green: 99.84%Paint Pockets PK Series: 99.84%Smart Media SM33: 99.74%PR Series Polyester: 99.84%RB Remay Backed Fiberglass: 99.1%Andreae Accordian: 98.1%