In-depth discussion of the features and construction of Serta's iComfort mattresses (the 2019-2023 version), and how they differ.
Even though the first two models come in only one level of firmness, the CF4000 offers either firm or plush bed versions. Talking about the price, the cooler option you pick, the more expensive it will be. Queen-size mattress prices vary from $1099 to $1999. Based on Serta iComfort ...