Check the listing for details. Flame King VOPD20 20 Pound Propane Tank Cylinder Service OPD Valve, White. Condition: New. Listed at 24.95 USD. Flame King VOPD20 20 Pound Propane Tank Cylinder Service OPD Valve, White Description Replacement valve for a standard steel 20# BBQ propane cylinder4" dip tubeType 1 OPD valveUL ListedShippingFast and Free Shipping throughout the Continental U.S! Terms of Sale 1 Year Manufacturer Warranty About UsFlame King is dedicated to providing world class products that are second to none. Striving to achieve the highest quality, service and value for our customers through out the world with a broad line of advanced and innovative products.Our customer-focused approach has lead the way for Flame King to be seen as the fastest growing company within the industry. Recognized as a market leader around the world. Contact UsClick on the "Contact Seller" above or visit our eBay store for contact information.