rigsize

Forest River Flagstaff E20FBS mattress size

Years 2021–2026Sold as Flagstaff E-ProLength 21' 2"
54 in 74 in
To scale. Dashed: a regular queen.
Main bed54 × 74 inRV full

That isn't a standard mattress size, so order a custom size cut to your platform.

About the RV full size →

Forest River spec sheet, 2026.

Mattresses in 54 × 74 in

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Custom size
Mattress Insider Park Meadow Encased Coil II

Mattress InsiderPark Meadow Encased Coil II

  • Hybrid
  • 8 in thick
  • cushion-firm

Sleep Foundation: Best Mattress for Pressure Relief Read review

Made to 54 × 74 inGet a quote
Bedroom in a Flagstaff

The Flagstaff bedroom. Measure the platform, not the old mattress, before you buy.

Bed sizes by year

YearMain bedBunksOther bedsSource
202154 × 74 in Full––2021 Forest River Flagstaff E Pro brochure
202154 × 74 in Full––Forest River spec sheet
202254 × 74 in Full––2022 Forest River Flagstaff E Pro brochure
202254 × 74 in Full––Forest River spec sheet
202654 × 74 in Full––2026 Forest River Flagstaff Travel Trailers brochure
202654 × 74 in Full––Forest River spec sheet

Years not listed weren't published.

Is this your E20FBS?

Check the year and length against your RV before you order.

YearModelLengthSleeps
2021Flagstaff E-Pro E20FBS21' 2"–
2022Flagstaff E-Pro E20FBS21' 8"–
2026Flagstaff E-Pro E20FBS21' 2"–

Other Flagstaff mattress sizes

Sources

  1. recreationalvehicles.info: https://recreationalvehicles.info/2026-forest-river-flagstaff-travel-trailers/2026-forest-river-flagstaff-travel-trailers-brochure-page-010.jpg
  2. recreationalvehicles.info: https://recreationalvehicles.info/2022-forest-river-flagstaff-e-pro/2022-forest-river-flagstaff-e-pro-brochure-page-006.jpg
  3. recreationalvehicles.info: https://recreationalvehicles.info/2021-forest-river-flagstaff-e-pro/2021-forest-river-flagstaff-e-pro-brochure-page-005.jpg

Questions

What size mattress is in the Forest River Flagstaff E20FBS?

The main bed is 54 × 74 in (Forest River spec sheet, 2026).