HEST Dually Queen Extension (20 × 78) for Full-Size Trucks

Extend your Dually Queen HEST Mattress with the Dually Extend 78 to make your sleeping space in your Tune M1 even bigger to stretch out in comfort. Sewn-in buckles let you attach the extension to your current HEST mattress so the panels stay together. This upgrade is compatible with the King Size Sliding Bed Extension dimensions in full-size trucks.

CamperSelect Camper ModelTruckSelect TruckAwning Door SideSelect SideMAXTRAX ColorSelect ColorCamper Serial NumberBench LengthSelect Bench Length

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Bench ColorSelect Bench ColorCooler OptionSelect cooler optionBug Screen SizeSelect Bug ScreenMat Size

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Select Mat SizeLagun ColorSelect Lagun ColorSizeSelect Insulation Pack Size

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Installation Instruction can be found here.

Features / Specs

Features 

• Can also be used as a narrow bench seat cushion
• Cover is dirt- and water-resistant, and it is removable and machine washable

Specs

• 20” x 78” x 3.9”
• Made of Multi-layer Memory Foam