Air Systems International BAC-20F Intake Replacement Filter for BAC-17/20 indoor air quality The CH2000 from NIKRO is

The CH2000 from NIKRO is designed specially for general filtering and ventilation applications with a dual stage filtering system (95% final stage filter)

Designed for installation into a hole drilled in concrete

SCHAEFER 485P112 Galvanized Panel Fans - Belt Drive

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Air Systems International BAC-20F Intake Replacement Filter for BAC-17/20 indoor air quality The CH2000 from NIKRO isAir Systems International BAC 20F Intake Replacement Filter for BAC 17 20 Air Systems International BAC 20F Intake Replacement Filter for BAC 17 20 (BAC 20F) is an Air Systems International Replacement Filter. Product details from the Air Systems pricing file: INTAKE REPLACEMENT FILTER FOR BAC 17 20; BOX OF 14. Use this listing to confirm the item number, shipping details, and basic product data before ordering. Product details Item number: BAC 20F