Powerful Freeze Protection for Harsh Winters:Ensures reliable winter RV camping by providing effective freeze protection down to -20°F. The integrated heating system prevents sewage from freezing, offering peace of mind in cold weather. Intelligent Self-Regulating Heating System:Features a 2023 innovative self-regulating thermostat. The built-in constant-temperature heat source maintains optimal warmth to keep wastewater flowing smoothly, effectively preventing overheating risks for safe operation. Rugged High-Density Oxford Construction:Crafted from premium high-density Oxford material, known for its exceptional durability, water resistance, and tear strength. This robust construction provides superior protection against abrasion, punctures, and harsh weather, significantly extending the product's service life. Two Practical Size Options:Available in two convenient lengths—15ft and 20ft—to suit different RV setups and varying distances to campground dump stations. Choose the perfect size for your specific needs. Trustworthy Service: Serving customers and providing customers with high quality products is our pursuit. We are committed to solving every customer's troubles. We offer 24/7 service, we have 3 years service, please feel free to buy Universal Bayonet-style: The bayonet-style fitting attaches to any standard RV sewer outlet，It is also equipped with thickened rubber sealing ring to prevent leakage effectively