Replacement filter for 30" Quiet Hood QT series convertible range hoods. Available filters for ducted or nonducted installations. 11-1/4" x 11-3/4". 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.