Match lit kit propane (LP) conversion kit (for 20 lb bottle) - 40k BTU. Includes 127 air mixer/orifice and coupler. 85k btu. Minimum fire ring size - 12", T-burner size 48". NOTE: If using glass media, glass application to burner must be minimal to avoid backpressure. Read instructions carefully. Shipping is free, however we ship only within the continental United States.