HEST Dually Wide Extension (20 × 72) for Mid-Size Trucks

Extend your Dually Wide Hest Mattress with the Dually Extend 72 to make your sleeping space in your Tune M1 even bigger to stretch out in comfort. This upgrade is compatible with the King Size Sliding Bed Extension dimensions in mid-size trucks.

TruckSelect TruckCamperSelect Camper ModelBench LengthSelect Bench Length

Find your bench length here

Bench ColorSelect Bench ColorSizeSelect Insulation Pack Size

Find your Insulation Pack size here.

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Installation Instruction can be found here.