Amazon.co.uk:Customer reviews: Tefal OF445840 Optimo Mini Oven, 19 Litre Capacity, With Rotisserie, Stainless Steel, Black, 1380W, 46.2 x 31.8 x 22.8 cm
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Tefal OF-4448 Optimo 19L Oven, TV & Home Appliances, Kitchen Appliances, Ovens & Toasters on Carousell
Tefal Optimo OF4448 19L testing defrost function - YouTube