{"product_id":"camco-39318-flexible-3-in-1-rv-sewer-hose-seal","title":"Camco 39318 Flexible 3-in-1 RV Sewer Hose Seal, Black","description":"\u003cp class=\"nvn-hero\"\u003eThe Camco 39318 is a flexible 3-in-1 sewer hose seal that blocks dump-station odors while you empty the RV holding tank. It seats into 3-inch, 3-1\/2-inch, and 4-inch inlets, grips your sewer hose, and has molded wings so you can pull it clear without touching the messy end.\u003c\/p\u003e\n\n\u003cdiv class=\"nvn-description\"\u003e\n\u003cp\u003eThe Camco 39318 is a flexible 3-in-1 sewer hose seal built to solve the one job every RVer dreads at the dump station: keeping odors and splash where they belong while you empty the holding tank. It pushes into the dump-station inlet, forms a snug fit around your sewer hose, and blocks the gap that normally lets sewer gas drift back up at you. When you're done, the molded wings give you something clean to grab so you're not fishing a slick adapter out of the inlet by hand.\u003c\/p\u003e\n\u003cp\u003eWhat makes it a 3-in-1 is the stepped, flexible body. It seats into 3-inch, 3-1\/2-inch, and 4-inch NPT sewer inlets, which covers just about every campground, RV park, and municipal dump station you'll roll up to. You don't have to guess which size a given site uses or carry three separate adapters. One seal in your sewer kit handles the common inlet sizes, so setup is the same routine every time.\u003c\/p\u003e\n\u003cp\u003eThe seal is molded in black and stays flexible so it can flex into an inlet that isn't perfectly round or perfectly clean. That flexibility is the point. A rigid fitting either drops in loose or won't seat at all, and a loose fitting is exactly how you get odor escape and a mess around the drain. Because it grips the inside of the inlet, it also helps hold your hose in place while gravity does the work, instead of you standing there holding everything by hand. That grip is what turns a quick tank dump into something you can step away from for a minute without a mess spreading around the drain.\u003c\/p\u003e\n\u003cp\u003eWho's this for? Anyone running a standard RV sewer hose who wants a cleaner, less smelly dump routine. Travel trailers, fifth wheels, motorhomes, and truck campers all use the same style of sewer hose and the same dump-station inlets, so the 39318 fits the same way across all of them. If you've been setting your hose loosely into the inlet and weighing it down with a rock, this is the upgrade that actually seals the connection.\u003c\/p\u003e\n\u003cp\u003eA few honest notes on fit and care. The seal works with typical bayonet-style RV sewer hoses and the fittings on the end of them. It's a seal and adapter, not a hose or a fitting kit, so you'll still use your existing sewer hose and end pieces. Rinse it after each dump and let it dry before it goes back in your storage bay, and it'll stay pliable a lot longer than one that gets packed away dirty. Like any flexible rubber-style seal, it's a wear item over enough seasons, so keeping it clean is the difference between one that lasts and one that tears early.\u003c\/p\u003e\n\u003cp\u003eThe wings deserve a callout because they're the detail you appreciate most in the moment. After a dump the seal is the last thing you want to grab with a bare hand, and prying a low-profile adapter out of a recessed inlet is worse. The two molded tabs stick up enough to grab with a gloved hand or hook with a finger, so removal is quick and you keep the messy part away from you. It's a small design choice that makes the end of the job as clean as the start.\u003c\/p\u003e\n\u003cp\u003eIt stores flat and light in a standard sewer hose kit, so it doesn't eat up room next to your hose, gloves, and tank support. For the price of a fast-food lunch, it's one of the cheapest ways to make dumping the tank less of a chore, and it's the kind of small part you'll wonder how you did without once it's in your kit.\u003c\/p\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul class=\"nvn-features\"\u003e\n  \u003cli\u003eFlexible 3-in-1 body seats into 3-inch, 3-1\/2-inch, and 4-inch NPT sewer inlets, so one seal covers the common dump-station sizes.\u003c\/li\u003e\n  \u003cli\u003eForms a snug seal between the sewer hose and the inlet to block dump-station odors and splash.\u003c\/li\u003e\n  \u003cli\u003eMolded wings give you a clean grip for fast removal without touching the messy end.\u003c\/li\u003e\n  \u003cli\u003eFlexes into inlets that aren't perfectly round or clean, where a rigid fitting drops in loose.\u003c\/li\u003e\n  \u003cli\u003eGrips the inside of the inlet to help hold the sewer hose in place while you dump.\u003c\/li\u003e\n  \u003cli\u003eBlack molded construction stores flat and light in a standard sewer hose kit.\u003c\/li\u003e\n  \u003cli\u003eWorks with standard bayonet-style RV sewer hoses and end fittings.\u003c\/li\u003e\n  \u003cli\u003eRinses clean and dries fast so it stays pliable season after season.\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cdiv class=\"nvn-trust\"\u003e\n  \u003ch2\u003eWhy Buy from NVN Marine\u003c\/h2\u003e\n  \u003cul\u003e\n    \u003cli\u003eAuthorized Camco reseller, full manufacturer warranty\u003c\/li\u003e\n    \u003cli\u003eNMEA member and ABYC certified, advice from real boat techs\u003c\/li\u003e\n    \u003cli\u003eSame-day shipping before 3 PM ET on in-stock items\u003c\/li\u003e\n    \u003cli\u003eNY headquarters and Fort Lauderdale flagship retail store\u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cdiv class=\"nvn-faq\"\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat sewer inlet sizes does the Camco 39318 fit?\u003c\/summary\u003e\n    \u003cp\u003eIt seats into 3-inch, 3-1\/2-inch, and 4-inch NPT dump-station inlets, which covers the sizes you'll find at most campgrounds and RV parks.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow does it block odors?\u003c\/summary\u003e\n    \u003cp\u003eThe flexible body forms a snug fit between your sewer hose and the inlet, closing the gap that normally lets sewer gas drift back up while you empty the tank.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat are the wings for?\u003c\/summary\u003e\n    \u003cp\u003eThe two molded tabs give you a clean spot to grab so you can pull the seal out of the inlet without touching the messy end by hand.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes it come with a sewer hose?\u003c\/summary\u003e\n    \u003cp\u003eNo. It's a seal and adapter that works with your existing RV sewer hose and bayonet fittings.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWill it work with my travel trailer and my motorhome?\u003c\/summary\u003e\n    \u003cp\u003eYes. Travel trailers, fifth wheels, motorhomes, and truck campers use the same style of sewer hose and dump inlets, so it fits the same way across all of them.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eWhat's it made of?\u003c\/summary\u003e\n    \u003cp\u003eIt's a flexible molded seal in black that stays pliable so it can seat into inlets that aren't perfectly round or clean.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow do I keep it in good shape?\u003c\/summary\u003e\n    \u003cp\u003eRinse it after each dump and let it dry before storing it. A clean, dry seal stays flexible far longer than one packed away dirty.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eDoes it hold the hose in place at the dump station?\u003c\/summary\u003e\n    \u003cp\u003eIt grips the inside of the inlet, which helps keep your hose seated so gravity can do the work instead of you holding it.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eIs it reusable?\u003c\/summary\u003e\n    \u003cp\u003eYes, it's designed to be used dump after dump. Like any flexible seal it's a wear item over time, so keeping it clean helps it last.\u003c\/p\u003e\n  \u003c\/details\u003e\n  \u003cdetails\u003e\n    \u003csummary\u003eHow is it better than weighing the hose down with a rock?\u003c\/summary\u003e\n    \u003cp\u003eA rock just holds the hose down. This actually seals the connection to the inlet, so you get far less odor and splash around the drain.\u003c\/p\u003e\n  \u003c\/details\u003e\n\u003c\/div\u003e\n\n\u003ch2\u003eTechnical Specifications\u003c\/h2\u003e\n\u003ctable class=\"nvn-specs\"\u003e\n  \u003ctbody\u003e\n    \u003ctr\u003e\n\u003cth\u003eTitle\u003c\/th\u003e\n\u003ctd\u003eCamco 39318 Flexible 3-in-1 RV Sewer Hose Seal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eBrand\u003c\/th\u003e\n\u003ctd\u003eCamco\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eManufacturer Part Number\u003c\/th\u003e\n\u003ctd\u003e39318\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eUPC\u003c\/th\u003e\n\u003ctd\u003e014717393188\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eProduct Type\u003c\/th\u003e\n\u003ctd\u003eSewer Hose Seal\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eDesign\u003c\/th\u003e\n\u003ctd\u003eFlexible 3-in-1 Adapter\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eColor\u003c\/th\u003e\n\u003ctd\u003eBlack\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eFits Sewer Inlet Sizes\u003c\/th\u003e\n\u003ctd\u003e3\", 3-1\/2\", 4\"\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eInlet Thread Type\u003c\/th\u003e\n\u003ctd\u003eNPT\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eRemoval Aid\u003c\/th\u003e\n\u003ctd\u003eMolded Wings\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003ePrimary Function\u003c\/th\u003e\n\u003ctd\u003eBlocks Dump-Station Odors\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003ctr\u003e\n\u003cth\u003eApplication\u003c\/th\u003e\n\u003ctd\u003eRV Holding Tank Dump Station\u003c\/td\u003e\n\u003c\/tr\u003e\n  \u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003cscript type=\"application\/ld+json\"\u003e\n{\n    \"@context\": \"https:\/\/schema.org\",\n    \"@type\": \"FAQPage\",\n    \"mainEntity\": [\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What sewer inlet sizes does the Camco 39318 fit?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It seats into 3-inch, 3-1\/2-inch, and 4-inch NPT dump-station inlets, which covers the sizes you'll find at most campgrounds and RV parks.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How does it block odors?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The flexible body forms a snug fit between your sewer hose and the inlet, closing the gap that normally lets sewer gas drift back up while you empty the tank.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What are the wings for?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"The two molded tabs give you a clean spot to grab so you can pull the seal out of the inlet without touching the messy end by hand.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does it come with a sewer hose?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"No. It's a seal and adapter that works with your existing RV sewer hose and bayonet fittings.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Will it work with my travel trailer and my motorhome?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes. Travel trailers, fifth wheels, motorhomes, and truck campers use the same style of sewer hose and dump inlets, so it fits the same way across all of them.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"What's it made of?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It's a flexible molded seal in black that stays pliable so it can seat into inlets that aren't perfectly round or clean.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How do I keep it in good shape?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Rinse it after each dump and let it dry before storing it. A clean, dry seal stays flexible far longer than one packed away dirty.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Does it hold the hose in place at the dump station?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"It grips the inside of the inlet, which helps keep your hose seated so gravity can do the work instead of you holding it.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"Is it reusable?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"Yes, it's designed to be used dump after dump. Like any flexible seal it's a wear item over time, so keeping it clean helps it last.\"\n            }\n        },\n        {\n            \"@type\": \"Question\",\n            \"name\": \"How is it better than weighing the hose down with a rock?\",\n            \"acceptedAnswer\": {\n                \"@type\": \"Answer\",\n                \"text\": \"A rock just holds the hose down. This actually seals the connection to the inlet, so you get far less odor and splash around the drain.\"\n            }\n        }\n    ]\n}\n\u003c\/script\u003e\n","brand":"Camco","offers":[{"title":"Default Title","offer_id":45055845793885,"sku":"2009879","price":8.19,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0299\/7266\/0317\/files\/ImageServerAPI_f2947dd3-b5b1-4fcc-b248-8134f41c7422.jpg?v=1789441087","url":"https:\/\/nvnmarine.com\/products\/camco-39318-flexible-3-in-1-rv-sewer-hose-seal","provider":"NVN Marine","version":"1.0","type":"link"}