COMPLETE KIT: Includes a NG Pressure Regulator, Orifice kit, Removal tools, Teflon Tape and a 10' Low Pressure Grill Hose in Your Spirit Gas Grill Natural Gas Conversion Kit. INSTRUCTIONS INCLUDED: This Kit Fit for Weber Spirit II 310 Propane to Natural Gas Conversion Offers a Simple and Hassle-Free Transition With Included Instruction Booklet. HAND DRILLED ORIFICES: Corrosion Resistant Brass NG Orifices Hand-Drilled Specifically for the Weber Spirit II 310. It is Important to Make Sure You Select the Correct Kit for Your Model PROPER PERFORMANCE: This Kit Is Designed For The Spirit II 310. There Are No Universal Conversion Kits for Weber. Each Variation of Each Model Line Needs Its Exact Kit to be Converted Properly & Safely YEARS OF EXPERIENCE: Expert Technical Support Available. If You Are Unsure of Your Exact Model, Send Us a Message Before Ordering and We Can Identify It for You. Our Service Team Is Very Responsive. NATURAL GAS GRILL CONVERSION KIT: This Kit is For Running Your Model On Natural Gas. It Includes Natural Gas Regulator for Grill 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. Upgrade Your Weber Spirit II 310 Grill with the Perfect Grill Conversion Kit to Natural Gas. This Kit Comes with Everything You Need to Easily Convert Your Grill from LP to Natural Gas. The Kit Includes a Low-Pressure Regulator, Orifice kit, and a 10' Low Pressure Grill Hose for Convenience During Installation. If You're Looking to Convert Your Propane Grill to Natural Gas this Conversion Kit Has Got You Covered. Say Goodbye to the Hassle of Refilling Propane Tanks and Make the Switch Effortlessly With This Weber Conversion Kit. Designed Specifically for Use with Weber Spirit II 310 Model, This Kit Ensures a Seamless and Secure Fit for a Hassle-Free Conversion Process. This Weber Natural Gas Conversion Kit for Your Grill is Sure to Deliver an Enhanced Grilling Experience. Make it Easy to Convert Your Grill Quickly and Efficiently Without Any Additional Tools Required. The Included Regulator and NG Orifice Kit Ensure Safety and Reliability, While the 10-foot Grill Hose Offers Ample Length for Added Flexibility in Positioning Your Grill. Upgrade Your Cooking Game With This Top-Of-The-Line Conversion Kit That's Perfect for Use With a Weber Spirit II 310. Don't Miss Out On This Essential Upgrade for Seamless Grilling All Year Round! We Also Have a Natural Gas to Propane Conversion Kit For This Model. Please Check Out Our Store!