Replacement filter for 30' Quiet Hood QT series convertible range hoods. Available filters for ducted or nonducted installations. Additional sizes and models of range hoods are available drop shipment. Contact Paulausky Associates at 800/572-1877 for pricing and order placement. 5% volume discount available on all RSC stocked range hoods, 8 or more assorted. To qualify for this volume discount, orders must be phoned into the Do it Best Corp. order department Monday thru Friday 7:30 - 5:00. Phone 260/493-3555. Do not order through your Retail Wizard.