Fit Perfectly??. - Compatibility: Ooni Karu 12 Pizza Oven & Ooni Fyra 12. in 25 minutes, make the pizza more crispy. Flexibility and Versatility ?. This takes the Karu to the next level, could easily switch fuels on your 16" multi fuel oven, versatility of wood, charcoal and propane, but the simplicity of the gas burner can't be beaten!
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