Only this mechanism can hold very thick seat cushion and thick mattress.
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Very Thick Cushion is zipped to mechanism for users' convenience.
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Operation for everyday,optional for metal grid.
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195cm extra long in open and TV headrest for reading and watching TV.Timber Frame interchangeable with most of 2-steps sofa sleeper mechanisms.
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Designer for back staying contempary sleeper style.
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Mattress thickness 6 ", typicallly designed for high end sofabed furniture.
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Same container loading capacity with or without mattress.
Only this mechanism can take very thick seat cushion for seat comfort,therefore this is very good for North America market.