Specification Brand : RM Romansk BulletPoint1 : Product Size: 8 1/4 inches outer diameter provides a maximum of 1/4 inch elevation. Serves as a spacer and protective rubber footing. Not weighted. BulletPoint2 : High Quality: Flexible rubber material with a solid bottom. Compression-resistant for better support and stability. BulletPoint3 : Compatibility: Fits 20, 30, and 40 lbs DOT-certified propane/LP cylinders. This is equivalent to cylinders with 5, 7.5, and 10-gallon volumes. BulletPoint4 : Easy to Use And Install: The propane tank protective ring fits into the channel under the propane tank base and slips on and off easily. It would not slide or break apart during transportation. BulletPoint5 : Provides Protection: You can confidently place your propane tank on any surface without worrying about scratches or unsightly marks.preventing it from causing any damage or rust rings on your patio, grill, or car. BulletPoint6 : NATURAL GAS GRILL CONVERSION KIT: This Kit is For Running Your Model On Natural Gas. It Includes Natural Gas Regulator for Grill BulletPoint7 : Please note: This listing is for converting the Spirit II 310 model only. The Spirit II 310 has three control knobs along the front of the grill. If your control panel is located along the right side of the grill, this listing is not compatible. It is important that you select the correct kit for your model for proper performance. Color : Black ExternallyAssignedProductIdentifier : 00850059856321 ExternallyAssignedProductIdentifier1 : 0797085393645 ExternallyAssignedProductIdentifier2 : 797085393645 IsAssemblyRequired : 1 ItemName : Romansk 2 Pack Ring Base for Propane Tank - 8 1/4" Protective Spacer Ring for Propane Cylinder Base - Fits 20-40 lb (5-10 Gallons) Propane Cylinders - Compatible with Wireless Propane Gauges ItemPackageDimensions_Height : 2.13 inches ItemPackageDimensions_Length : 8.5 inches ItemPackageDimensions_Width : 8 inches ItemPackageQuantity : 1 ItemTypeKeyword : grill-connectors Manufacturer : RM Romansk ModelName : Protective Spacer Ring ModelNumber : RM25PR-2P NumberOfBoxes : 1 NumberOfItems : 1 PartNumber : RM25PR PowerSourceType : Natural Gas ProductDescription : Romansk 2 Pack Ring Base for Propane Tank - Propane Tank Base Holder -Protective Spacer Ring for Propane Cylinder Base, Fits 20-40 Lb (5-10 Gallons) Propane Cylinders Features: Fits 20-40 lb or 5-10 gallon propane cylinders Made of strong yet flexible rubber Compression-resistant suitable for long-term use Does not slide or break apart during transport Provides cushioning and stabilization Compatible with most wireless propane tank monitors Allows clearance for the level monitor sensors to transmit propane level accurately Provides elevation and protection for the wireless propane tank monitors Stops tank base abrasion caused by metal-to-metal contact Stops tank from sitting directly on the metal tank holder, protecting it from rust and corrosion Fits into the channel under the propane tank base and slips on and off easily SkipOffer : 1 SupplierDeclaredDgHzRegulation : not_applicable SupplierDeclaredHasProductIdentifierExemption : 1 UnitCount : 1 UnspscCode : 52141500