INTEX Dura-Beam Plus 16.5" Twin Size Air Mattress with Built-in Pump
- Air Mattress
- 300 pounds
- 300 pounds
- Polyvinyl Chloride (PVC)
- More reviewed than 79%
A twin-size raised air mattress with an internal AC pump and fiber-beam construction, built for occasional and guest use rather than daily sleeping.
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How it ranks among the 19 air mattresses we track
4.2★ across 28,200 Amazon ratings, Bayesian-smoothed toward the category average.
28,200 Amazon ratings, weighted on a log scale so huge counts don't drown everything.
5,000+ bought on Amazon last month.
Brand identity, imagery, description and spec coverage.
The ProductDome score is separate from the Amazon rating shown above: it combines the Bayesian-smoothed Amazon rating with evidence volume, tracked demand, and data quality across the 19 air mattresses we track - how the scorecard works · full air mattresses data report. Confidence: high - strong rating volume and complete data.Updated 6 days ago. Data-computed, not a hands-on test. Compiled by the ProductDome Research Team.
Overview
This is Intex's 16.5 inch raised twin air mattress with a built-in electric pump, model 64121EP, aimed at guest room, travel and camping use.
Dura-Beam refers to the internal fiber construction, thousands of polyester fibers connecting the top and bottom rather than the simple air coils used in cheaper beds, which is what the listing credits for resisting sag under weight. Intex also flags that new mattresses stretch on first inflation, and that the resulting pressure drop is not the same thing as a leak.
- 16.5 inch raised twin air mattress
- Built-in AC electric pump
- Fiber-Tech Beam internal construction
- Built-in pillow at the head
Who it's for
Fits people who need a raised, indoor or outdoor sleeping surface for guests, camping or travel and want the pump built in rather than bought separately. Not the pick for someone wanting a mattress for nightly, long-term use as a primary bed.
Strengths and trade-offs
Drawn from this product's published specifications.
- Built-in electric pump inflates in about 2 minutes
- Raised 16.5 inch height with a built-in pillow
- Fiber-beam interior resists sagging under weight
- Suited to indoor and outdoor use
- Pump requires 110-120V AC power, not battery operated
- First inflation stretch can feel like a slow leak
Performance notes
The built-in AC pump inflates the bed in around two minutes and can also deflate it, which is the main convenience difference from air beds sold without a pump. Bottom ring stability and the fiber-beam interior are what resist sagging over a night's use.
Specifications
| Brand | Intex |
|---|---|
| Model | 64121EP |
| Dimensions & fit | |
| Weight Capacity Maximum | 300 pounds |
| Item Weight | 7.7 pounds |
| Item Dimensions | 21 × 15.5 × 13.5 inches |
| Item Dimensions L x W x Thickness | 75 × 39 × 16.5 inches |
| Item Depth | 75 inches |
| Capacity & performance | |
| Capacity | 300 pounds |
| Construction & materials | |
| Material Type | Polyvinyl Chloride (PVC) |
| Construction Type | Hybrid |
| Top Material Type | PVC |
| Cover Material | Velvet or similar soft fabric |
| Fill Material | Air |
| Mattress Comfort Layer Material | Cotton, Wool |
| Color | Navy |
| Included components | |
| Unit Count | 1 |
| Number of Packs | 1 |
| Included Components | Carry Bag |
| Other details | |
| Number of Items | 1 |
| Number of Layers | 2 |
| Item Thickness | 16.5 inches |
| Product Care Instructions | Wipe With Damp Cloth |
| Item Highlight | 64121ED - Built-in Pillow Rest Portable Inflatable Bed for Camping, Travel & Guests |
| Additional Features | Built-In Pillow, Built-In Pump, Puncture Resistant |
| Item Type Name | Airbed |
| Set Name | SIZE_NAME/STYLE_NAME |
| Item Firmness Description | Firm |
| Specific Uses For Product | Perfect for camping and outdoor travel, Perfect for relaxing, Perfect temporary bed at home or a camping inflatable bed |
| Product Benefits | Built-In Pillow;Built-In Pump;Puncture Resistant |
| Target Audience | Campers and Outdoor Enthusiasts, College Students, Guests and Hosts, People looking for affordable and practical sleeping solutions, Travelers and Backpackers |
| Water Resistance Level | Water Resistant |
| Shape | Rectangular |
Other Intex air mattresses
How it compares
This product against the closest alternatives we track in air mattresses.
| Product | Amazon rating | Ratings | ProductDome score |
|---|---|---|---|
| INTEX Dura-Beam Plus 16.5" Twin Size Air Mattress with Built-in PumpThis product | 4.2 / 5 | 28,200 | 4.4 / 5 |
| SLEEPLUX Durable Inflatable Air Mattress with Built-in PumpSleeplux | 4.3 / 5 | 14,300 | 4.5 / 5 |
| SoundAsleep Dream Series Raised Queen Air MattressSoundAsleep Products | 4.4 / 5 | 66,700 | 4.4 / 5 |
| King Koil Air Mattress Queen with Built-in PumpKing Koil | 4.3 / 5 | 56,400 | 4.4 / 5 |
| EnerPlex Twin Air Mattress with Built-in PumpEnerPlex | 4.4 / 5 | 43,500 | 4.4 / 5 |
Similar air mattresses from other brands
Questions about the Intex 64121EP
Common buyer questions answered straight from the product spec data - no fluff, no "it depends".
Does the Intex 64121EP need a separate pump?
No, the electric pump is built into the mattress and runs on standard 110-120V power.
Why does a new mattress seem to lose air quickly?
Intex notes the material stretches on first use, which can feel like a leak; re-inflating over the first 2-3 nights lets it settle.
Can this be used outdoors?
Yes, the listing states it is built for both indoor and outdoor use, including camping.