Volcano Floor Drain Seal (28676) Adjustable Diameter

Volcano Floor Drain Seal (28676) Adjustable Diameter

The Volcano Drain is one of the radon industry's most compact, versatile, and high-performing floor drains. What makes it stand out? The Volcano Drain is an adaptable and airtight drain, designed to maintain system efficiency by preventing vacuum loss without compromising functionality. Whether you're sealing floor drains or sump covers, its smart, flexible design ensures a perfect fit. Engineered to fit a standard 4" opening, it can easily be trimmed down to fit 3", 2", or even 1.5" drains (scroll below to view video). Clean, simple, and built for performance, the Volcano Drain is injection-molded from 100% polypropylene for long-lasting durability. Made in the USA with US and imported parts.

• 4″, 3″, 2″, 1-1/2″ all in one.
• No caulk sump install (becomes 4″ access port).
• Recessed lip to collect multiple drain lines.
• Shallow depth 2-1/4″ (1-3/4″ when reduced to smaller diameter).
• No vacuum loss.
• Made in USA.