Designed for use with the Negative Air Machine model # 6560
Kontrol Kube HEPA Filters combine filtration ability with filter capacity
To maximize filter life be sure to change the first stage pre-filter regularly
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Merchandise may be returned within 30 days of product shipment date, written Authorization must be requested by Customer Service. No returns accepted without prior authorization. Customer is responsible for return freight. All merchandise returned is subject to a 25% restock fee. All merchandise returned must be in original unopened containers and must be in good, saleable condition.