DuraVent DuraVent 4" Inner Diameter - Type B Oval Gas Vent - Double Wall - Oval Ceiling Plate Spacer

Oval Gas Vent Collection Aluminum Oval Ceiling Plate Spacer with 4" Inner Diameter This Aluminum Oval Ceiling Plate Spacer with 4" Inner Diameter from the Oval Gas Vent is a Type B gas component that will meet the needs of any Type B installation. The oval ceiling plate spacer is used to center the oval vent where the oval firestop spacer is not required. Two plates are included with each order. DuraVent's innovative system for a lock-tight connection for Type B Gas Vent called DuraLock. See the alignmen...