We stock up to 24" diameter, including hard-to-get items such as flue collar connectors, adjustable slip sections, firestops, supports, wall brackets, and double wall flexible connectors & segments. Diameters up to 48" are available. Orders placed by 2:00 PM EST for stock items will ship the same day. PV provides detailed sizing and system assembly drawings conforming to ANSI Z223.1 and NFPA 54
Most products are in stock for same day shipment when you order by 2:00pm EST!