Propane Tank/Cylinder POL Valve Safety Plugs, Plastic with O-ring ; 5 Pack, **Made in USA**

5 Pack of Propane Tank / Cylinder Valve Plugs ; P.O.L. These are MADE IN THE USA! These POL Valve plugs close off and seal LP Tank POL Valves when not in use. Much safer to transport cylinders with one of these in the gas valve. Snug it down and the rubber O ring will seal the valve so even if the valve accidentally opens a little, it will not leak. Another BIG plus down south where we are is it that this plug helps keep the mud daubers/wasps and other pests out of your valve. These thread in easily, even a little loose so you are not fighting with an oversized plug, but when you snug it down, it is tight and seals great. And I am sure that since you are looking for a LP valve plug, that you know that they are left-handed thread, but we needed to put that in anyway. As pictured, these DO come with the plastic tether as well so you do not lose the plug when using the tank. IMPORTANT NOTE: We have tested these with the OPD valves found on BBQ tanks and they DO NOT tighten down well enough to satisfy us to sell them as an OPD Safety Plug. These can not thread in deep enough to make a good seal. For BBQ tank threaded plugs, purchase our OPD Dust Plugs here: https://www.walmart.com/ip/Hart-s-Hearth-Homestead-Propane-LP-Tank-OPD-QCC1-Valve-Threaded-Dust-Plugs-Fits-20-40-Lb-Cylinders/2671291788?fulfillmentIntent=Shipping&from=/search