1. original from manufacturer 2.Suitable for Most Pyramid Patio Heaters: 7inch /18cm Diameter Emitter Screen Base Replacement for Patio Heater, 5.2' /13.3cm Tall with 3 threaded holes for mounting Reflector, The distance between the three threaded holes is 2.75in/7cm. Please measure the size of your patio heater before purchasing 3.Glass Tube Propane Patio Heater Perfect Replacement Part: The stainless steel combustion grille is the right substitute for your heater. If your combustion net is damaged, our products can restore the normal operation of the heater 4.Easy to Install, the installation can be completed within 10 minutes, you can use old screws to install, if the hole diameter is incorrect, you can redrill the hole.Compatible with most major patio heater brands 5.Good Work: Stainless steel combustion net cover, stable structure, not easy to deform,Acid and alkali resistance, long life, lower maintenance costs,Good heat preservation effect, reduce energy consumption, and improve onsite working temperature environment 6.304 Stainless Steel Double cover Heating: We use highquality 304 stainless steel in our doublecover heating mesh design. Compared with traditional patio heaters Burning mesh our heaters Burning mesh are sturdier and