Mobile vs Big4Two: Walk-In Tub Comparison
The Ella Mobile and the Ella Big4Two side by side, using the actual dimensions from the spec sheets and technical drawings rather than nominal sizes. The profiles cover therapy packages, videos and installation notes for each tub.
VS
| Door style | U-shape outward-swing door | U-shape outward-swing door |
| Door swing | Outward | Outward |
| Seats | One bather | Two bathers |
| Actual size (W x L x H) | 26" x 45" (brochure size) | 36" x 80" x 40" |
| Seat | 20" x 14 in. | 22" and 24" |
| Interior length | 38 7/8 in. | 37 3/8 in. (chart) |
| Seat to overflow (soaking depth) | 18 1/2 in. | 19 1/4 in. |
| Seat to footwell | 15 in. | 17 in. |
| Footwell | 18 W by 14 1/4 L | not listed |
| Net weight | not listed | 328 lb |
| Shipping weight | not listed | 531 lb |
| Crate size (W x L x H) | not listed | 38" x 82" x 50" |
| Water to overflow, unoccupied | not listed | 145 gal |
| Water with a bather (typical) | not listed | 85-135 gal |
What is different
- The Big4Two is 10 in. wider than the Mobile (36 in. vs 26 in.).
- The Big4Two is 35 in. longer than the Mobile (80 in. vs 45 in.).
- They share the same door design: u-shape outward-swing door.
- The Big4Two seats two bathers; the Mobile is a single-seat tub.
Common questions
Which is bigger, the Mobile or the Big4Two?
The Big4Two has the larger footprint at 36" x 80" x 40", against 26" x 45" (brochure size) for the Mobile.
Do the Mobile and the Big4Two have the same door?
Yes. Both use the u-shape outward-swing door, so the same operation, seal and latch guides apply to either tub.
Can two people bathe in the Big4Two?
Yes. The Big4Two is a two-seat tub; the Mobile seats one bather.
Read the full profiles
Add a third model to this comparison → · Dimensions by model · Which door does my tub have?
Want help choosing?
Your Ella dealer or the team at (800) 480-6850 can walk you through both tubs for your space and needs.
Videos