Nikro 861977 - Window Exhaust Flange. Quickly converts double hung windows to an exhaust port for negative air machine. Adjustable, fits 24" to 36" windows.
Independent Safety Certification
- ETL certified to conform to UL & CAN/CSA safety & flammability standards
All Nikro Industries Air Scrubbers are NRTL-certified to comply with UL Std. 507 & CAN/CSA Std. #C22.2 No.113 for