Powerful Drain Sealant & Odor Blocker – VapourBlock’s advanced citrus-based formula forms a protective vapor barrier over standing water in P-traps, preventing foul sewer gas odors. Ideal for homes, cabins, cottages, and vacant properties, it ensures fresh, odor-free air without maintenance Prolonged Evaporation Prevention – Designed to significantly slow water evaporation in P-traps, VapourBlock preserves the essential water seal for extended periods, keeping drains functional and free from unwanted odors, even during long vacancies Ideal for Seasonal Properties – Designed to withstand freezing temperatures, VapourBlock is perfect for winterizing drains in seasonal cabins, cottages, and country homes, providing peace of mind during off-season months Naturally Fresh Citrus Scent – Unlike harsh chemical solutions, VapourBlock is infused with a pleasant citrus fragrance, not only safeguards your drains but also imparts a fresh, clean aroma to your spaces, enhancing overall indoor air quality User-Friendly Application: With a straightforward pour-in method, maintaining your drains is hassle-free. Simply add VapourBlock to the P-trap, and its long-lasting formula will keep your drains sealed and odor-free with minimal upkeep Stop fighting persistent sewer gas odors with temporary fixes. VapourBlock's professional-grade citrus formula creates a lasting vapor barrier that seals P-traps and prevents water evaporation – the leading cause of drain odors in vacant properties. Features: Forms a protective layer over standing water in P-traps Significantly slows water evaporation to maintain the vital water seal Releases fresh citrus fragrance while blocking unwanted odors Maintains effectiveness even in freezing temperatures Perfect For: Seasonal homes and cabins during off-season Vacant properties and rental units Basements and utility rooms Commercial buildings with unused drains Any location with infrequently used plumbing Simple Application: Just pour VapourBlock into any drain P-trap following the size-specific dosing guidelines. One application protects for up to 6 months, providing lasting peace of mind against unwanted odors and dried-out drains.